Physics
•Download as PPT, PDF•
0 likes•307 views
1. Traveling waves propagate in a single direction with minimal change in shape, such as ocean waves. Standing waves occur when traveling waves interact in an enclosed space and form stationary patterns of nodes and antinodes. 2. Newton's law of gravitation describes gravity as a force between two masses that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. 3. According to Kepler's laws of planetary motion, the orbits of planets around the sun are ellipses with the sun at one focus, and planets sweep out equal areas in equal intervals of time.
Report
Share
Report
Share
![Traveling Wave ,[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Physics
This document summarizes key concepts from several chapters in an introductory physics textbook, including circular motion, rotational mechanics, universal gravity, gravitational interactions, satellite motion, special relativity, vibrations, and waves. Key ideas discussed include tangential and radial speed in circular motion, torque and lever arm in rotational mechanics, gravitational fields and their relation to mass, how satellites orbit Earth, how Einstein introduced special relativity and how it relates to motion and the passage of time, length contraction at high speeds, and the properties of simple harmonic motion and wave energy transfer without matter transfer.
Seismic motions, Measuring earth quake sizes
There are three main types of seismic waves: P-waves, S-waves, and surface waves. P-waves travel the fastest and can pass through both solids and liquids. S-waves travel slower than P-waves and can only pass through solids. Surface waves cause the most damage during earthquakes and include both Love waves and Rayleigh waves. Scientists can determine the location of an earthquake's epicenter using data from seismic stations, which record the arrival times of P and S waves to triangulate the epicenter location.
Length contraction
The special theory of relativity proposed in 1905 by Einstein describes how measurements of time, space, and phenomena appear different in reference frames moving at constant velocity relative to each other. Unlike Newtonian mechanics, special relativity is not restricted to a particular type of phenomenon and instead affects all fundamental physical theories. The theory of relativity led to profound changes in how we perceive space and time, showing that measurements are not the same in different reference frames moving relative to one another.
Theory of relativity
posted by Shifat Sanchez..</br>
its about relativity</BR.about sir albert Einstein. quotes about relativity...michelsone and morleys law about relativity....general theory of relativity ..Einstein laws about relativity...Einstein description of laws about theory of special relativity ....first postulates of special law,,sceond postulates of special laws of relativity.........Galilian transformation of relativity....................Lorentz transformation.......... Lorentz transformation about the laws of relativity........Length contractiion .....Time dilation........Mass expansion........E= MC^2 ( theory & provens ))......The life cycle of stars.......Black holes ( slides).............Formation And Properties of blackholes ................Concluation .........Thankyou slide ...............ANY QUESATION ?????????................thank YOU SO MUCH :P :P :P
Earth’s Magnetic Field
The Earth's magnetic field is generated by electrical currents in the liquid outer core. The magnetic field traps charged particles from the solar wind in the Van Allen radiation belts. Rocks record the magnetic field at the time of formation, allowing scientists to study how the magnetic poles have reversed in the past. The magnetic field shields the Earth from solar wind and cosmic rays.
Diffraction and wave theory of light
1) Diffraction is the phenomenon where waves bend around objects when passing through gaps or openings, spreading out on the other side. Francesco Grimaldi first observed and identified this phenomenon.
2) Originally, Newton proposed that light consisted of particles or "corpuscles" (particle theory). However, Huygens put forward the wave theory of light, proposing that light behaves as waves that require a medium, such as aether, to propagate through.
3) Key evidence for the wave theory was the observation of interference patterns produced by light, which cannot be explained by particles alone. This supported Huygens' theory over Newton's particle theory.
gravitation class 9
The document discusses concepts related to gravitation including Newton's universal law of gravitation, Kepler's laws of planetary motion, acceleration due to gravity, and equations of vertical motion. Some key points covered include:
1) Newton's universal law of gravitation states that the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
2) Kepler's laws describe the motion of planets and include that planets move in elliptical orbits with the sun at one focus.
3) Acceleration due to gravity on Earth is approximately 9.8 m/s2 and causes objects to experience weight. Weight depends on both mass and location.
Wave theory
1. Huygen's wave theory proposes that light propagates as waves, with each point on a wavefront acting as a secondary source of spherical wavelets.
2. The wave theory can explain phenomena like reflection, refraction, and interference through Huygen's principle and the laws of reflection and refraction.
3. Maxwell's electromagnetic theory unified electric and magnetic fields and correctly predicted the speed of light, providing strong evidence for the wave nature of light.
Recommended
Physics
This document summarizes key concepts from several chapters in an introductory physics textbook, including circular motion, rotational mechanics, universal gravity, gravitational interactions, satellite motion, special relativity, vibrations, and waves. Key ideas discussed include tangential and radial speed in circular motion, torque and lever arm in rotational mechanics, gravitational fields and their relation to mass, how satellites orbit Earth, how Einstein introduced special relativity and how it relates to motion and the passage of time, length contraction at high speeds, and the properties of simple harmonic motion and wave energy transfer without matter transfer.
Seismic motions, Measuring earth quake sizes
There are three main types of seismic waves: P-waves, S-waves, and surface waves. P-waves travel the fastest and can pass through both solids and liquids. S-waves travel slower than P-waves and can only pass through solids. Surface waves cause the most damage during earthquakes and include both Love waves and Rayleigh waves. Scientists can determine the location of an earthquake's epicenter using data from seismic stations, which record the arrival times of P and S waves to triangulate the epicenter location.
Length contraction
The special theory of relativity proposed in 1905 by Einstein describes how measurements of time, space, and phenomena appear different in reference frames moving at constant velocity relative to each other. Unlike Newtonian mechanics, special relativity is not restricted to a particular type of phenomenon and instead affects all fundamental physical theories. The theory of relativity led to profound changes in how we perceive space and time, showing that measurements are not the same in different reference frames moving relative to one another.
Theory of relativity
posted by Shifat Sanchez..</br>
its about relativity</BR.about sir albert Einstein. quotes about relativity...michelsone and morleys law about relativity....general theory of relativity ..Einstein laws about relativity...Einstein description of laws about theory of special relativity ....first postulates of special law,,sceond postulates of special laws of relativity.........Galilian transformation of relativity....................Lorentz transformation.......... Lorentz transformation about the laws of relativity........Length contractiion .....Time dilation........Mass expansion........E= MC^2 ( theory & provens ))......The life cycle of stars.......Black holes ( slides).............Formation And Properties of blackholes ................Concluation .........Thankyou slide ...............ANY QUESATION ?????????................thank YOU SO MUCH :P :P :P
Earth’s Magnetic Field
The Earth's magnetic field is generated by electrical currents in the liquid outer core. The magnetic field traps charged particles from the solar wind in the Van Allen radiation belts. Rocks record the magnetic field at the time of formation, allowing scientists to study how the magnetic poles have reversed in the past. The magnetic field shields the Earth from solar wind and cosmic rays.
Diffraction and wave theory of light
1) Diffraction is the phenomenon where waves bend around objects when passing through gaps or openings, spreading out on the other side. Francesco Grimaldi first observed and identified this phenomenon.
2) Originally, Newton proposed that light consisted of particles or "corpuscles" (particle theory). However, Huygens put forward the wave theory of light, proposing that light behaves as waves that require a medium, such as aether, to propagate through.
3) Key evidence for the wave theory was the observation of interference patterns produced by light, which cannot be explained by particles alone. This supported Huygens' theory over Newton's particle theory.
gravitation class 9
The document discusses concepts related to gravitation including Newton's universal law of gravitation, Kepler's laws of planetary motion, acceleration due to gravity, and equations of vertical motion. Some key points covered include:
1) Newton's universal law of gravitation states that the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
2) Kepler's laws describe the motion of planets and include that planets move in elliptical orbits with the sun at one focus.
3) Acceleration due to gravity on Earth is approximately 9.8 m/s2 and causes objects to experience weight. Weight depends on both mass and location.
Wave theory
1. Huygen's wave theory proposes that light propagates as waves, with each point on a wavefront acting as a secondary source of spherical wavelets.
2. The wave theory can explain phenomena like reflection, refraction, and interference through Huygen's principle and the laws of reflection and refraction.
3. Maxwell's electromagnetic theory unified electric and magnetic fields and correctly predicted the speed of light, providing strong evidence for the wave nature of light.
ADJ LIGO scientificamerican0687-50
This document discusses plans for gravitational wave observatories that could detect gravitational waves predicted by Einstein's theory of general relativity. The observatories would use laser interferometers housed in evacuated pipes stretching hundreds of meters to detect tiny distortions in space caused by passing gravitational waves. Two major observatories, LIGO, are being built in the U.S. to be sensitive enough to detect signals from binary star systems, supernovae, and colliding black holes in nearby galaxies. The first detection of gravitational waves would verify crucial predictions of general relativity and reveal new information about astrophysical events.
Centripetal and centrifugal forces
This document discusses centripetal and centrifugal forces. It defines centripetal force as a real inward force that keeps an object moving in a curved circular path towards the center. Centrifugal force is defined as an apparent outward fictitious force felt by an object moving in a circular motion due to its inertia. Examples given of centripetal force include the moon orbiting the earth due to gravity, and a washing machine spinning clothes to remove water through centrifugal force. The key difference between the two forces is also summarized.
Time dilation
1) Time dilation describes how time passes more slowly for objects in motion compared to an observer. The time interval between two events is longer for an observer in a stationary frame compared to an observer in the moving frame.
2) According to the theory of relativity, the mass of an object increases as its velocity increases, approaching infinity at the speed of light. Mass is related to rest mass, velocity, and the speed of light by the equation m = m0/(1 - v^2/c^2).
3) Einstein's mass-energy equivalence states that mass and energy are the same physical entity and can be changed into each other. The famous equation E=mc^2 describes this relationship, where
Physics ppt on time dilation
this is my presentation on time dilation . it covers major parts of time dilation theory and relativity with time .
Relativity (1)
* L0 = 45 m (length as measured by crew in rest frame)
* v = 0.50c
* c = 3×10^8 m/s
* Using the Lorentz contraction formula:
L = L0√(1-(v^2/c^2))
= 45√(1-(0.50c)2/c2)
= 45√(1-0.25)
= 45√0.75
= 33.75 m
Therefore, the length of the spaceship as measured by mission control in Texas is 33.75 m.
Einstein's theory of general relativity
Einstein's theory of general relativity proposes that massive objects cause a distortion in space-time which is experienced as gravity. The theory improved on Newton's view of gravity by showing that gravity is not an innate force but rather a consequence of the curvature of space-time caused by unevenly distributed mass/energy. Experimental evidence supporting the theory includes gravitational lensing, shifts in Mercury's orbit, frame-dragging caused by rotating bodies, gravitational redshift, and the direct detection of gravitational waves.
Gravitational force
A presentation on Gravitational force and Gravity.
And how the Gravitational forces effects our earth with some GIFS.
Kepler, Copernicus, Ptolemy, Galileo
Johannes Kepler discovered three laws of planetary motion: 1) Planets orbit the sun in ellipses rather than perfect circles. 2) A line connecting a planet and the sun sweeps out equal areas in equal times. 3) There is a relationship between the orbital periods of planets and their distances from the sun. His discoveries helped establish that the sun, not Earth, is the center of our solar system.
Introduction to Special theory of relativity
This document provides an introduction to Einstein's special theory of relativity. It discusses key concepts like Galilean transformations, Michelson-Morley experiment, postulates of relativity, and consequences like time dilation and length contraction. The document explains that special relativity applies to observers in uniform motion and the speed of light in a vacuum is the same for all observers, regardless of their motion. It also presents the Lorentz transformations and equations for time dilation and length contraction.
Gravitation
1) The document discusses concepts related to gravitation including acceleration due to gravity, escape velocity, orbital velocity, gravitational potential, and Kepler's laws of planetary motion.
2) It explains that gravitational force is independent of intervening medium and obeys Newton's third law. The gravitational field modifies space around material bodies.
3) Satellites can be natural or artificial, and examples are given for different types including geostationary and polar satellites. Requirements for geostationary satellites are outlined.
units and measurement xi physics
Parallax is the apparent change in position of an object when viewed from different positions. It can be used to measure distances to celestial objects. Stellar parallax involves measuring the difference in the position of a nearby star observed from opposite sides of Earth's orbit around the Sun. This allows astronomers to determine the star's distance using trigonometry. In 1989, the Hipparcos satellite improved parallax measurements for over 100,000 nearby stars. The Gaia satellite, launched in 2013, can measure parallax angles to greater accuracy, mapping stars up to tens of thousands of light years away.
CNSE Class 9 Science Chapter 10 Gravitation
1. The document discusses concepts related to gravitation including the motion of the moon around Earth, centripetal force, Kepler's laws of planetary motion, Newton's law of universal gravitation, and Archimedes' principle.
2. Key points covered include that the gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
3. Archimedes' principle states that the upward buoyant force on an object immersed in a fluid is equal to the weight of fluid displaced by the object.
Physics definitions
The document defines key terms related to spaceflight mechanics including:
- Field vector, which describes the strength and direction of a uniform vector field like gravity. Weight is defined as the force on a mass due to gravity. Gravitational potential energy is the energy of a mass due to its position within a gravitational field.
- A projectile is any object launched into the air, and its trajectory is the path it follows during flight. Escape velocity is the initial velocity needed to just escape a planet's gravity. Thrust is a force exerted by accelerating or expelling mass.
- Uniform circular motion is circular motion at a constant speed. Centripetal force maintains circular motion towards the circle's
Philosophy of space and time
1) The document discusses the philosophy of space and time and how Einstein introduced his theories of special and general relativity.
2) Special relativity is valid when no forces act, while general relativity removes this restriction to apply to gravitational forces as well.
3) Tests of general relativity have confirmed its predictions regarding Mercury's orbit, light deflection, gravitational lensing, and gravitational waves.
Ch28 special relativity 3 05 2013
1) An event is a physical happening that occurs at a specific place and time, as recorded by observers using reference frames consisting of coordinate systems and clocks at rest relative to the frames.
2) Special relativity has two postulates: 1) the laws of physics are the same in all inertial reference frames, and 2) the speed of light has the same value in all inertial frames regardless of the motion of the light source or observer.
3) Time dilation occurs such that clocks in motion run slower than clocks at rest, as observed from another frame, with the time interval between ticks increasing with the relative velocity between frames. Proper time is the time interval measured in the frame at rest with the clock
natsci1report (2007version)
Einstein's theories of relativity include the special and general theories. The special theory, published in 1905, deals with inertial frames of reference and the constancy of the speed of light. The general theory, published in 1915, extends these concepts to accelerated frames and explains gravity as a consequence of spacetime curvature. Key findings include spacetime being dynamic, light bending in gravity, and the equivalence of mass and energy. The Michelson-Morley experiment's null results disproved the ether hypothesis and supported Einstein's postulate that the speed of light is independent of motion.
Q value
This document summarizes seismic attenuation Q and its utility. It discusses four main mechanisms that can reduce wave amplitude during propagation: 1) geometric spreading as waves expand outward, 2) scattering from heterogeneities, 3) multipathing from velocity variations, and 4) anelasticity where energy is lost as heat. The quality factor Q quantifies intrinsic attenuation from anelasticity. High Q means little energy loss, while low Q means high attenuation. Variations in Q provide information about subsurface properties that complement seismic velocity data.
Gravity and Kepler's Law Notes
Gravity is an attractive force between two objects that depends on their masses and the distance between them. Kepler's laws state that planets move in elliptical orbits with the sun at one focus, a line connecting a planet to the sun sweeps out equal areas in equal times, and the square of a planet's orbital period is proportional to the cube of its average distance from the sun.
Physics
1. The document discusses various topics in waves, optics, oscillation, and gravitation including traveling waves, standing waves, wave propagation, simple harmonic motion, Newton's laws of gravity, and key terms.
2. Examples are provided to demonstrate calculations for spring oscillation, wave speed in a string, pendulum motion, and gravitational acceleration based on pendulum period.
3. Formulas are listed for spring constant, frequency, wave velocity, and other important relationships.
Philosophy for old age
This document provides advice on how to stay young and enjoy life as one ages. It discusses how children are excited about getting older but that excitement fades with age. It then lists 10 tips for staying young, including throwing out numbers about age/weight, keeping cheerful friends, learning new things, enjoying simple pleasures, laughing often, accepting grief but moving on, surrounding oneself with loved ones, cherishing health, avoiding guilt, telling loved ones you care, and living life to its fullest each day. The overall message is to embrace life and make the most of each moment.
More Related Content
What's hot
ADJ LIGO scientificamerican0687-50
This document discusses plans for gravitational wave observatories that could detect gravitational waves predicted by Einstein's theory of general relativity. The observatories would use laser interferometers housed in evacuated pipes stretching hundreds of meters to detect tiny distortions in space caused by passing gravitational waves. Two major observatories, LIGO, are being built in the U.S. to be sensitive enough to detect signals from binary star systems, supernovae, and colliding black holes in nearby galaxies. The first detection of gravitational waves would verify crucial predictions of general relativity and reveal new information about astrophysical events.
Centripetal and centrifugal forces
This document discusses centripetal and centrifugal forces. It defines centripetal force as a real inward force that keeps an object moving in a curved circular path towards the center. Centrifugal force is defined as an apparent outward fictitious force felt by an object moving in a circular motion due to its inertia. Examples given of centripetal force include the moon orbiting the earth due to gravity, and a washing machine spinning clothes to remove water through centrifugal force. The key difference between the two forces is also summarized.
Time dilation
1) Time dilation describes how time passes more slowly for objects in motion compared to an observer. The time interval between two events is longer for an observer in a stationary frame compared to an observer in the moving frame.
2) According to the theory of relativity, the mass of an object increases as its velocity increases, approaching infinity at the speed of light. Mass is related to rest mass, velocity, and the speed of light by the equation m = m0/(1 - v^2/c^2).
3) Einstein's mass-energy equivalence states that mass and energy are the same physical entity and can be changed into each other. The famous equation E=mc^2 describes this relationship, where
Physics ppt on time dilation
this is my presentation on time dilation . it covers major parts of time dilation theory and relativity with time .
Relativity (1)
* L0 = 45 m (length as measured by crew in rest frame)
* v = 0.50c
* c = 3×10^8 m/s
* Using the Lorentz contraction formula:
L = L0√(1-(v^2/c^2))
= 45√(1-(0.50c)2/c2)
= 45√(1-0.25)
= 45√0.75
= 33.75 m
Therefore, the length of the spaceship as measured by mission control in Texas is 33.75 m.
Einstein's theory of general relativity
Einstein's theory of general relativity proposes that massive objects cause a distortion in space-time which is experienced as gravity. The theory improved on Newton's view of gravity by showing that gravity is not an innate force but rather a consequence of the curvature of space-time caused by unevenly distributed mass/energy. Experimental evidence supporting the theory includes gravitational lensing, shifts in Mercury's orbit, frame-dragging caused by rotating bodies, gravitational redshift, and the direct detection of gravitational waves.
Gravitational force
A presentation on Gravitational force and Gravity.
And how the Gravitational forces effects our earth with some GIFS.
Kepler, Copernicus, Ptolemy, Galileo
Johannes Kepler discovered three laws of planetary motion: 1) Planets orbit the sun in ellipses rather than perfect circles. 2) A line connecting a planet and the sun sweeps out equal areas in equal times. 3) There is a relationship between the orbital periods of planets and their distances from the sun. His discoveries helped establish that the sun, not Earth, is the center of our solar system.
Introduction to Special theory of relativity
This document provides an introduction to Einstein's special theory of relativity. It discusses key concepts like Galilean transformations, Michelson-Morley experiment, postulates of relativity, and consequences like time dilation and length contraction. The document explains that special relativity applies to observers in uniform motion and the speed of light in a vacuum is the same for all observers, regardless of their motion. It also presents the Lorentz transformations and equations for time dilation and length contraction.
Gravitation
1) The document discusses concepts related to gravitation including acceleration due to gravity, escape velocity, orbital velocity, gravitational potential, and Kepler's laws of planetary motion.
2) It explains that gravitational force is independent of intervening medium and obeys Newton's third law. The gravitational field modifies space around material bodies.
3) Satellites can be natural or artificial, and examples are given for different types including geostationary and polar satellites. Requirements for geostationary satellites are outlined.
units and measurement xi physics
Parallax is the apparent change in position of an object when viewed from different positions. It can be used to measure distances to celestial objects. Stellar parallax involves measuring the difference in the position of a nearby star observed from opposite sides of Earth's orbit around the Sun. This allows astronomers to determine the star's distance using trigonometry. In 1989, the Hipparcos satellite improved parallax measurements for over 100,000 nearby stars. The Gaia satellite, launched in 2013, can measure parallax angles to greater accuracy, mapping stars up to tens of thousands of light years away.
CNSE Class 9 Science Chapter 10 Gravitation
1. The document discusses concepts related to gravitation including the motion of the moon around Earth, centripetal force, Kepler's laws of planetary motion, Newton's law of universal gravitation, and Archimedes' principle.
2. Key points covered include that the gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
3. Archimedes' principle states that the upward buoyant force on an object immersed in a fluid is equal to the weight of fluid displaced by the object.
Physics definitions
The document defines key terms related to spaceflight mechanics including:
- Field vector, which describes the strength and direction of a uniform vector field like gravity. Weight is defined as the force on a mass due to gravity. Gravitational potential energy is the energy of a mass due to its position within a gravitational field.
- A projectile is any object launched into the air, and its trajectory is the path it follows during flight. Escape velocity is the initial velocity needed to just escape a planet's gravity. Thrust is a force exerted by accelerating or expelling mass.
- Uniform circular motion is circular motion at a constant speed. Centripetal force maintains circular motion towards the circle's
Philosophy of space and time
1) The document discusses the philosophy of space and time and how Einstein introduced his theories of special and general relativity.
2) Special relativity is valid when no forces act, while general relativity removes this restriction to apply to gravitational forces as well.
3) Tests of general relativity have confirmed its predictions regarding Mercury's orbit, light deflection, gravitational lensing, and gravitational waves.
Ch28 special relativity 3 05 2013
1) An event is a physical happening that occurs at a specific place and time, as recorded by observers using reference frames consisting of coordinate systems and clocks at rest relative to the frames.
2) Special relativity has two postulates: 1) the laws of physics are the same in all inertial reference frames, and 2) the speed of light has the same value in all inertial frames regardless of the motion of the light source or observer.
3) Time dilation occurs such that clocks in motion run slower than clocks at rest, as observed from another frame, with the time interval between ticks increasing with the relative velocity between frames. Proper time is the time interval measured in the frame at rest with the clock
natsci1report (2007version)
Einstein's theories of relativity include the special and general theories. The special theory, published in 1905, deals with inertial frames of reference and the constancy of the speed of light. The general theory, published in 1915, extends these concepts to accelerated frames and explains gravity as a consequence of spacetime curvature. Key findings include spacetime being dynamic, light bending in gravity, and the equivalence of mass and energy. The Michelson-Morley experiment's null results disproved the ether hypothesis and supported Einstein's postulate that the speed of light is independent of motion.
Q value
This document summarizes seismic attenuation Q and its utility. It discusses four main mechanisms that can reduce wave amplitude during propagation: 1) geometric spreading as waves expand outward, 2) scattering from heterogeneities, 3) multipathing from velocity variations, and 4) anelasticity where energy is lost as heat. The quality factor Q quantifies intrinsic attenuation from anelasticity. High Q means little energy loss, while low Q means high attenuation. Variations in Q provide information about subsurface properties that complement seismic velocity data.
Gravity and Kepler's Law Notes
Gravity is an attractive force between two objects that depends on their masses and the distance between them. Kepler's laws state that planets move in elliptical orbits with the sun at one focus, a line connecting a planet to the sun sweeps out equal areas in equal times, and the square of a planet's orbital period is proportional to the cube of its average distance from the sun.
What's hot (18)
Viewers also liked
Physics
1. The document discusses various topics in waves, optics, oscillation, and gravitation including traveling waves, standing waves, wave propagation, simple harmonic motion, Newton's laws of gravity, and key terms.
2. Examples are provided to demonstrate calculations for spring oscillation, wave speed in a string, pendulum motion, and gravitational acceleration based on pendulum period.
3. Formulas are listed for spring constant, frequency, wave velocity, and other important relationships.
Philosophy for old age
This document provides advice on how to stay young and enjoy life as one ages. It discusses how children are excited about getting older but that excitement fades with age. It then lists 10 tips for staying young, including throwing out numbers about age/weight, keeping cheerful friends, learning new things, enjoying simple pleasures, laughing often, accepting grief but moving on, surrounding oneself with loved ones, cherishing health, avoiding guilt, telling loved ones you care, and living life to its fullest each day. The overall message is to embrace life and make the most of each moment.
Introductions to Relations
This document provides definitions and examples of relations and different types of relations. It discusses relations as sets of ordered pairs that satisfy a given rule or property. Reflexive, symmetric, and transitive relations are defined. Several examples of relations over different sets are given and determined to be reflexive, symmetric, transitive or none of the above. Solutions to exercises involving checking properties of various relations are also provided.
Student perceptions and attitudes towards the software factory as a learning ...
Industry needs graduates from universities having knowledge and skills to tackle the practical issues of real life software development. To facilitate software engineering students and fulfill industry need, the Department of Information Processing Science, University of Oulu, Finland, built a Software Factory laboratory (SWF) in 2012 based on Lean concept. This study examines factors in the SWF learning environment that affect learning of a SWF course by the students. It employs amended Computer laboratory Environment Inventory (CLEI) and Attitude towards Computers and Computing Courses Questionnaire instrument (ACCC) with two additional constructs: 1) Kanban board 2) Collaborative learning. The general findings indicate that SWF learning environment, collaborative learning and Kanban board play important role in software engineering students learning, academic achievements and professional skills gaining. The findings are helpful to develop a better understanding about learning environments. The information gathered in this study can also be used to improve the software engineering learning environment.
Icsea 2014 usage of kanban in software companies
There is a growing interest in applying Kanban in software development to reap the proclaimed benefits presented in the literature. The goal of this paper is to provide up-to-date knowledge of the current state of Kanban usage in software companies, regarding the motivation for using it as well as the benefits obtained and challenges faced in its adoption. In addition, we investigate how the challenges identified in the study can be addressed. For this purpose, an empirical study was conducted consisting of a survey and complementing thematic interviews. The empirical study was carried out in November-December 2013 within large Finnish software companies, which extensively use Agile and Lean approaches. The obtained results are largely in line with the findings of earlier research reported in the literature. Generally, the experiences of using Kanban are rather positive; however, challenges in adoption identified include a lack of specialised training and usage experience, and a too traditional organisational culture.
Physics
1. The document discusses various topics related to waves, optics, oscillation, and gravitation. It defines key terms like traveling waves, standing waves, and wave propagation.
2. Important concepts are covered, including the principle of superposition, simple harmonic motion, Newton's laws of gravitation, and Kepler's laws of planetary motion.
3. Examples are provided to demonstrate applications of these concepts, such as calculating spring oscillation properties and determining values related to a vibrating string and pendulum motion.
Kanban in software development: A systematic literature review
Using of Kanban in software development is an emerging topic. This systematic literature review was conducted in order to analyse the current trend of Kanban usage in software development and to identify the obtained benefits and involved challenges. The search strategy resulted in 492 papers, of which 19 were identified as primary studies relevant to our research. The main reported benefits of using the Kanban method were improved lead time to deliver software, improved quality of software, improved communication and coordination, increased consistency of delivery, and decreased customer reported defects. The reported challenges included lack of knowledge and specialized training as well as various organizational issues. Additionally, suggested practices were extracted from the primary studies and summarized for guiding the practitioners interested in adopting Kanban. The findings of this literature review are intended for helping researchers and practitioners to gain a better understanding of the current state of Kanban usage in software development.
Waves & Optics
1. Traveling waves propagate in a single direction with minimal change in shape, such as ocean waves. Standing waves occur when traveling waves interact in an enclosed space and form regions of maximum and minimum displacement called antinodes and nodes.
2. Newton's law of universal gravitation states that every mass in the universe attracts every other mass with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.
3. According to Kepler's laws of planetary motion, planets orbit the sun in ellipses, with the sun located at one focus, and planets sweep out equal areas in equal time intervals.
FACTORS INFLUENCING THE ADOPTION OF E-GOVERNMENT SERVICES IN PAKISTAN
E-government provides opportunities to deliver various services more effectively and better serve citizens. In developing countries, e-government initiatives provide services that have been previously inaccessible to their citizens. However, e-government initiatives in developing countries are still in their infancy and face a wide range of barriers that restrict wide-spread use. Like many other developing countries, Pakistan has a low level of e-government services adoption. Previous research has investigated e-government services in developing countries from the organizational perspective. However, the research stream suffers from an absence of studies that have investigated e-government from a citizen’s perspective. The success of e-government services depends on government support as well as on citizen’s adoption. This paper aims to fill this gap by exploring the challenges and barriers of e-government services from the user’s perspective. In this study, an amended version of the UTAUT model is used to investigate the factors influencing the uptake of e-government services in Pakistan. The results show that the factors influencing the adoption of e-government services in Pakistan are related to ease of use, usefulness, social influence, technological issues, lack of awareness, data privacy, and trust. Implications for e-businesses and government policy decision makers are also considered in this study.
Sistemas operacionais 3
Este documento discute vários tópicos relacionados à administração de sistemas operacionais, incluindo gerência de memória, comandos grep e chmod, gerenciamento de pacotes e servidores web Apache.
Viewers also liked (13)
Pamiętacie, kiedy byliście małymi dziećmi i wierzyliście
Pamiętacie, kiedy byliście małymi dziećmi i wierzyliście
Student perceptions and attitudes towards the software factory as a learning ...
Student perceptions and attitudes towards the software factory as a learning ...
Kanban in software development: A systematic literature review
Kanban in software development: A systematic literature review
FACTORS INFLUENCING THE ADOPTION OF E-GOVERNMENT SERVICES IN PAKISTAN
FACTORS INFLUENCING THE ADOPTION OF E-GOVERNMENT SERVICES IN PAKISTAN
Similar to Physics
Waves
Waves are disturbances that transfer energy through a medium. Simple harmonic motion describes periodic oscillations where the restoring force is proportional to displacement. Characteristics of waves include amplitude, period, frequency, and wavelength. Mechanical waves require a medium while electromagnetic waves do not. When waves interact with boundaries, they exhibit reflection, refraction, diffraction, and interference according to the principles of superposition.
Nature of waves
The document discusses the nature and characteristics of waves, including defining vibration, amplitude, period, frequency, and simple harmonic motion. It describes how vibrating objects can produce different types of waves, such as electromagnetic waves from vibrating electrons and mechanical waves that require a medium and are either transverse or longitudinal. The characteristics of transverse and longitudinal waves are compared, such as their direction of particle oscillation and motion of the waves through different media.
Module No. 42
1. Wave mechanics was introduced by De Broglie in 1924 and is based on the idea that particles can be regarded as waves described by the Schrodinger wave equation.
2. Waves transfer energy but not matter. Different types of waves include mechanical, electromagnetic, and matter waves. Mechanical waves require a medium while electromagnetic waves do not.
3. The wavelength is the distance between two consecutive peaks or troughs of a wave. The velocity, wavelength, and frequency of a wave are related by the equation v = λf.
Wave motion and its applications
This document discusses different types of waves including mechanical/elastic waves, electromagnetic waves, transverse waves, and longitudinal waves. Mechanical waves require a medium and include sound and water waves, while electromagnetic waves can propagate through a vacuum such as radio waves. Transverse waves involve particles vibrating perpendicular to the propagation direction, while longitudinal waves involve particles vibrating parallel. Other topics covered include wavelength, amplitude, frequency, wave velocity, interference, stationary waves, beats, and simple harmonic motion.
Wave.pptx
This document discusses different types of waves including electromagnetic waves, mechanical waves, and matter waves. Mechanical waves can be transverse waves where the medium moves perpendicular to the wave propagation or longitudinal waves where the medium moves parallel to propagation. Transverse waves include water waves and S-waves while longitudinal waves include sound waves. Progressive waves continuously travel in one direction while stationary waves are formed by the interference of two progressive waves traveling in opposite directions, resulting in some points that do not move at all. The document also provides an example mathematical problem to calculate wave parameters from a given wave equation.
Chapter 1 waves
On January 17, 1995, a magnitude 7.2 earthquake struck near Kobe, Japan, killing over 6,400 people. The earthquake originated 15-20 km below Awaji Island, about 20 km southwest of Kobe, but seismic energy from the quake still caused widespread damage in Kobe. Over 200,000 homes and buildings were damaged in Kobe and the surrounding area. Seismic waves transported this energy through the Earth from the earthquake's origin point to Kobe.
Transverse wave
Waves are disturbances that transfer energy through a medium without transferring mass. There are different types of waves characterized by the orientation of particle motion relative to the direction of energy transfer, including:
1) Transverse waves, where particle motion is perpendicular to the direction of energy transfer, like light waves and waves on a string.
2) Longitudinal waves, where particle motion is parallel to the direction of energy transfer, like sound waves.
3) Surface waves, which propagate along the interface between two different media like waves on the ocean surface or ripples in sand.
Waves
The document discusses oscillatory motion and waves. It begins by introducing waves created by dropping a pebble in water, with the waves moving outward in expanding circles. It then discusses the main types of waves - mechanical and electromagnetic. Mechanical waves require a medium and examples include sound and water waves, while electromagnetic waves do not require a medium and include light, radio waves, and x-rays. The document goes on to define key variables of wave motion including wavelength, period, frequency, and amplitude. It also discusses the direction of particle displacement in transverse and longitudinal waves. Finally, it covers simple harmonic motion and how the acceleration, velocity, and force are related for objects undergoing SHM.
Physics Sound and Waves for JEE Main 2015 - Part I
The document discusses different types of motions including translational, rotational, oscillatory, and vibrational motion. It also defines key terms related to oscillations such as period, frequency, amplitude, damped oscillations, and sustained oscillations. Regarding waves, it describes longitudinal and transverse waves, and defines properties such as wavelength, velocity, and how velocity is related to frequency and wavelength. It also provides formulas for calculating the velocity of longitudinal and transverse waves in different media.
Waves Ppp
A wave is a disturbance that travels through a medium without transporting matter. Each particle of the medium is temporarily displaced from its equilibrium position and then returns. There are different types of waves including transverse, longitudinal, and surface waves. Waves transport energy and their behavior changes at boundaries between media, such as reflecting, refracting, or transmitting into the new medium. Interference occurs when waves meet and their amplitudes combine through constructive or destructive interference.
Ppt priyaraj
This document provides information about Priya Raj. R, their option of Physical Science, and registration number. It then discusses different types of waves including mechanical waves, electromagnetic waves, matter waves, and gravity waves. It describes longitudinal waves as having particles moving parallel to the direction of propagation, while transverse waves have particles moving perpendicular. Examples of different wave types are given. Characteristics of transverse waves like wavelength, crest, trough, and frequency are defined. The relationship between velocity, frequency, and wavelength of a wave is stated.
Waves and Vibrations
1. The document discusses different types of waves including longitudinal waves, transverse waves, and how waves behave at boundaries and when interacting with each other.
2. It uses examples like slinky waves to illustrate key wave concepts such as amplitude, wavelength, frequency, and speed.
3. The main types of wave behavior covered are reflection at fixed and free ends, transmission when changing mediums, and constructive and destructive interference during wave interactions.
Wave Motion
This document provides an overview of wave motion and different types of waves. It discusses mechanical waves, which require a medium and include sound and water waves, and electromagnetic waves, which can propagate through a vacuum at the speed of light. The key properties and differences between transverse waves, where particle motion is perpendicular to the wave direction, and longitudinal waves, where particle motion is parallel, are summarized. The document also covers topics such as stationary and progressive waves, reflection of waves, mechanical oscillation, and the characteristics of sound waves.
W PPT Update
The document discusses different types of waves including mechanical and electromagnetic waves. Mechanical waves require a physical medium to transport energy and include water waves, sound waves, and seismic waves. Electromagnetic waves do not require a physical medium and can propagate through a vacuum, including radio waves, visible light, x-rays, and more. Waves can also be classified based on their particle motion as transverse waves, where the medium vibrates perpendicular to the wave direction, or longitudinal waves, where the vibration is parallel to the wave direction. Common examples like sound waves and crowd waves are identified as longitudinal or transverse.
Chapter 6 - Superposition of waves.pptx
MAHARASHTRA STATE BOARD
CLASS XI and XII
CHAPTER 6
SUPERPOSITION OF WAVES
CONTENT:
Introduction
Transverse and
longitudinal waves
Displacement relation in a
progressive wave
The speed of a travelling
wave
The principle of
superposition of waves
Reflection of waves
Beats
Doppler effect
Interactive Textbook Ch. 20 The Energy of Waves
1. The document discusses key properties of waves including amplitude, wavelength, frequency, and speed. It defines each property and explains how it relates to the energy carried by a wave.
2. Amplitude is the maximum distance of vibration from the rest position, and waves with larger amplitudes carry more energy since they require more energy to form. Wavelength is the distance between two identical points on waves, and waves with shorter wavelengths have more energy.
3. Frequency is the number of waves passing a point per unit time, measured in Hertz. Higher frequency waves have more energy than lower frequency ones. Wave speed depends on the medium and can be calculated using the equation that relates speed, wavelength, and frequency.
Interactive Textbook Ch. 20 The Energy of Waves
1. The document discusses key properties of waves including amplitude, wavelength, frequency, and speed. It defines each property and explains how it relates to the energy carried by a wave.
2. Amplitude is the maximum distance of vibration from the rest position, and waves with larger amplitudes carry more energy since they require more energy to form. Wavelength is the distance between two identical points on waves, and waves with shorter wavelengths have more energy.
3. Frequency is the number of waves passing a point per unit time, measured in Hertz. Higher frequency waves have more energy than lower frequency ones. Wave speed depends on the medium and can be calculated using the equation that relates speed, wavelength, and frequency.
Similar to Physics (20)
Physics Sound and Waves for JEE Main 2015 - Part I
Physics Sound and Waves for JEE Main 2015 - Part I
Recently uploaded
Azure Interview Questions and Answers PDF By ScholarHat
Azure Interview Questions and Answers PDF By ScholarHat
Community pharmacy- Social and preventive pharmacy UNIT 5
Covered community pharmacy topic of the subject Social and preventive pharmacy for Diploma and Bachelor of pharmacy
Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Executive Directors Chat Leveraging AI for Diversity, Equity, and Inclusion
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingExcellence Foundation for South Sudan
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
PCOS corelations and management through Ayurveda.
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Aberdeen
The simplified electron and muon model, Oscillating Spacetime: The Foundation...
Discover the Simplified Electron and Muon Model: A New Wave-Based Approach to Understanding Particles delves into a groundbreaking theory that presents electrons and muons as rotating soliton waves within oscillating spacetime. Geared towards students, researchers, and science buffs, this book breaks down complex ideas into simple explanations. It covers topics such as electron waves, temporal dynamics, and the implications of this model on particle physics. With clear illustrations and easy-to-follow explanations, readers will gain a new outlook on the universe's fundamental nature.
How to Manage Your Lost Opportunities in Odoo 17 CRM
Odoo 17 CRM allows us to track why we lose sales opportunities with "Lost Reasons." This helps analyze our sales process and identify areas for improvement. Here's how to configure lost reasons in Odoo 17 CRM
Recently uploaded (20)
Azure Interview Questions and Answers PDF By ScholarHat
Azure Interview Questions and Answers PDF By ScholarHat
Community pharmacy- Social and preventive pharmacy UNIT 5
Community pharmacy- Social and preventive pharmacy UNIT 5
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Pengantar Penggunaan Flutter - Dart programming language1.pptx
Executive Directors Chat Leveraging AI for Diversity, Equity, and Inclusion
Executive Directors Chat Leveraging AI for Diversity, Equity, and Inclusion
Liberal Approach to the Study of Indian Politics.pdf
Liberal Approach to the Study of Indian Politics.pdf
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Pride Month Slides 2024 David Douglas School District
Pride Month Slides 2024 David Douglas School District
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
The simplified electron and muon model, Oscillating Spacetime: The Foundation...
The simplified electron and muon model, Oscillating Spacetime: The Foundation...
How to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRM
Physics
- 1. Waves, Optics, Oscillation, and Gravitation By: Charnae’ Kearney and Andy Hurst