Speed is the rate of change of position with time. It is a scalar quantity while velocity includes both speed and direction, making it a vector quantity. Motion can be described using graphs of distance versus time or displacement versus time. The slope of these graphs gives the speed or velocity. Speed is calculated as distance divided by time, while velocity considers both speed and direction of motion.
This ppt was created by Dr Beka a lecture from Ekwendeni College of Health Sciences (ECoHS) Ekwendeni Mzimba Malawi. It is understandable and easy to read for students who are studying clinical medicine
After going through this module, you are expected to:
describe the motion of an object in terms of distance or displacement, speed or velocity and acceleration (S7FE-IIIa-1);
perform activities on speed, velocity and acceleration; and
compute for the speed, velocity and acceleration.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
Home assignment II on Spectroscopy 2024 Answers.pdf
Intro to Mechanics: The Sudy of Motion
1. Speed & VelocitySpeed & Velocity
Intro to Mechanics - The Study of MotionIntro to Mechanics - The Study of Motion
2. In your lab notebook, please answer as best you can:
1. What direction should the decimal point be moved when
converting from mm to km?
• Left (6 places)
2. How many decibels is 0.0385 hectobels?
• 38.5 dB
3. Convert 30 meters into feet. (1 m≈ 3.3 ft)
• 99 ft
4. Convert 150 lb into kg. (1kg ≈ 2.2 lb)
• 68.2 lb
4. What speed is 45 m/s in miles per hour? (1 km ≈ 0.6 mi)
• 97.2 mph
Bonus Question: What is “DIMENSIONAL ANALYSIS” and what is it used for?
Dimensional analysis is a method of using equivalent fractions to convert units of measurement..
Review
Quiz 23
3. What is Motion?What is Motion?
Motion = a change in positionMotion = a change in position
An eagle flies from its nest to a tree branchAn eagle flies from its nest to a tree branch
A man pushes a box of cookies across his deskA man pushes a box of cookies across his desk
An elevator moves from the lobby to 25An elevator moves from the lobby to 25thth
floorfloor
4. All Motion is RelativeAll Motion is Relative
Reference pointReference point
Change in position depends on an object thatChange in position depends on an object that
is referred to:is referred to:
man is moving relative to ground but NOT relativeman is moving relative to ground but NOT relative
to train carto train car
5. SpeedSpeed
Speed measures the rate at which aSpeed measures the rate at which a
change in position occurschange in position occurs
Speed =Speed = distancedistance
timetime
Banana Slugs: 0.75 inches/hour
Average Highway Speed: 65 mph
Eye Blinks: 0.005 centimeter/millisecond
Earth’s Orbit: 30 km/s
Speed of Light: 300,000,000 meters/second
6. Rates & RatiosRates & Ratios
What does 65 mph mean?What does 65 mph mean?
65 miles65 miles
1 hour1 hour
How far will I travel with a speed of 25 m/s if IHow far will I travel with a speed of 25 m/s if I
go for 2 hours?go for 2 hours?
25 meters25 meters x 7,200 s = 180,000 mx 7,200 s = 180,000 m (180 km)(180 km)
1 second1 second
* The line in any fraction or ratio means DIVIDE!* The line in any fraction or ratio means DIVIDE!
65 miles
Speed x time = distanceSpeed x time = distance
7. SpeedSpeed
Constant speedConstant speed: speed remains the same for: speed remains the same for
entire distance travelledentire distance travelled
Instantaneous speedInstantaneous speed: speed at one given instant: speed at one given instant
Average speedAverage speed: total distance/total time: total distance/total time
15 meters in 145 seconds = .1 m/s15 meters in 145 seconds = .1 m/s
1 meter in 5 seconds = .2 m/s
2 meters in 8 seconds = .25 m/s
1 meter in 10 seconds = .1 m/s
2 meters in 30 seconds = .07 m/s
3 meters in 17 seconds = .18 m/s
3 meters in 60 seconds = .05 m/s
3 meters in 15 seconds = .2 m/s
8. Displacement vs. DistanceDisplacement vs. Distance
DistanceDistance: how far something moved: how far something moved
8.2km + 1.8km + 4.5km = 14.5 kilometers8.2km + 1.8km + 4.5km = 14.5 kilometers
DisplacementDisplacement: shortest distance between: shortest distance between
starting point and ending pointstarting point and ending point
2.7 km North2.7 km North *includes direction**includes direction*
DistanceDistance is ais a scalarscalar measuremeasure
DisplacementDisplacement is ais a vectorvector measuremeasure
because it includes directionbecause it includes direction
9. Graphing SpeedGraphing Speed
Time in Seconds
DistanceinMeters
1 meter in 5 seconds = .2 m/s
2 meters in 8 seconds = .25 m/s
1 meter in 10 seconds = .1 m/s
2 meters in 30 seconds = .07 m/s
3 meters in 17 seconds = .18 m/s
3 meters in 60 seconds = .05 m/s
3 meters in 15 seconds = .2 m/s
Average speed = .1 m/s
11. Experiment 24
Distance-Time Graphs
Distance Time
Calculated
Speed
Trial 1
Trial 2
Trial 3
1)Design your experiment
to minimize variables.
2)Measure the distance
traveled and time
traveled.
RECORD THE
VALUES IN A TABLE.
1)Calculate the speed in
each trial using:
2)Graph your data with
distance on the y-axis
and time on the x-axis.
Include all trials on the
same graph
12.
13. Displacement – Time GraphsDisplacement – Time Graphs
1) Where did the runner start?
2) At what position did the runner
stop? (relative to what?)
3) Does the graph show distance
or displacement?
4) How long did it take the runner to
get to their final position?
5) What can you tell about the
speed of the runner?
6) What does a negative slope
indicate?
7) How would this graph change if
the y-axis showed total distance
instead of displacement?
14. VelocityVelocity
Velocity = Speed + DirectionVelocity = Speed + Direction
A vector quantityA vector quantity
SpeedSpeed: 32 m/s: 32 m/s
VelocityVelocity: 32 m/s: 32 m/s SoutheastSoutheast
Why does direction matter?Why does direction matter?
15. Transportation QuandaryTransportation Quandary
You must get from Kyoto to Nagano forYou must get from Kyoto to Nagano for watchwatch
the world figure skating championships.the world figure skating championships.
The Bullet Train travels East & West at speeds over 350 km/hr.The Bullet Train travels East & West at speeds over 350 km/hr.
A personal tachikoma can go up to 85 km/hr in any direction.A personal tachikoma can go up to 85 km/hr in any direction.
Solar cell buses move North & South at 60 km/hr.Solar cell buses move North & South at 60 km/hr.
A hired Pivo taxi will take you 105 km/hr NE or 125 km/hr SW.A hired Pivo taxi will take you 105 km/hr NE or 125 km/hr SW.
Which mode of transportation should you take?Which mode of transportation should you take?
Editor's Notes
1 Coulomb = 6.25 x 1018 electrons
What does the line mean? DIVIDE!
If we plotted these points on a graph, what would they look like?
Example: walk across room and back. Forward/backward motion.
Average of speeds = 0.15 m/s
15 m ÷ 145 s = 0.10344
Who ran the greatest distance? (Conner)
Who had the greatest (fastest) instantaneous speed? (Gracie)
Who had the fastest average speed? (Connor)
Why is Ankush’s graph a straight line? (his speed is continually the same)
What is happening with Gracie after 1 minute? (she stops running)
Materials: matchbox cars, train cars/tracks, tennis/bouncy balls, toy cars, nerf guns/darts, wind-up moving toys
Procedures:
Push or drop item
Time and measure distance traveled (record data in chart)
Calculate average speed
Graph data
Answer: the taxi and tachikoma are the only vehicles that will travel NE, the direction Nagano is from Tokyo. Since the taxi is much faster, it is the best choice.