Projectilemotion 110208215523-phpapp02
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This document discusses projectile motion and objects that are under the influence of gravity. It explains that gravity causes all objects near the Earth's surface to accelerate at 9.81 m/s^2 downward. Whether an object is dropped or thrown horizontally, its vertical motion can be analyzed using kinematic equations that include this gravitational acceleration. Additionally, objects dropped from the same height will hit the ground at the same time regardless of their mass. The document also introduces the concept that projectile motion follows a parabolic trajectory due to separate horizontal and vertical acceleration components.
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Projectile motion
This document discusses projectile motion and objects under the influence of gravity. It explains that objects dropped or launched with both horizontal and vertical components will follow a parabolic trajectory due to Earth's gravity accelerating objects at 9.81 m/s2. Objects dropped from the same height will hit the ground at the same time regardless of mass when ignoring air resistance. Projectile motion problems can be solved using kinematic equations, considering the horizontal and vertical motion separately.
Ch3 2-d kinematics notes
This document discusses 2-dimensional motion and different types of projectile motion. It explains that horizontal and vertical motion can be treated independently, with gravity only affecting vertical motion. It then describes 4 types of projectile motion: 1) an object dropped from rest, 2) an object with an initial horizontal velocity as it falls, 3) a perfect parabola trajectory, and 4) an object launched at an angle from height. Key effects like constant horizontal velocity and zero vertical velocity at the top of the path are also noted.
Newton’s 1st law of motion
Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Friction is a net force that causes objects to slow down and stop due to contact between surfaces. According to Newton's First Law, without friction or gravity, objects would continue moving indefinitely. The net force on an object is calculated by adding all individual forces acting on it; if the forces balance out the net force is zero and there is no change in motion, while an unbalanced net force will cause acceleration or a change in speed or direction of motion.
Force
The document discusses force, pressure, and friction. It defines force as a push or pull and explains that forces can change the speed, direction, or shape of an object. It also distinguishes between elastic and inelastic objects based on whether they return to their original shape after a force is applied. Friction is described as a force that opposes motion.
Projectiles
The document discusses projectile motion, including that:
1) A projectile's horizontal and vertical motion are independent, with gravity only affecting vertical motion.
2) The path of a projectile is a combination of its horizontal and vertical components - horizontal motion is constant while vertical motion is affected by gravity.
3) Changing the projection angle affects the projectile's altitude and range, with the maximum range occurring at a 45 degree angle.
Ch.11.less.1.how are forces and motion related
1) The document discusses different types of motion including up and down, straight line, round and round, zigzag, and back and forth motion. It also discusses distance, direction, forces, and types of forces including balanced and unbalanced forces.
2) Forces can make something move, change an object's direction or speed, or change an object's shape. Examples of forces include gravity, friction, and air resistance.
3) Balanced forces do not change an object's motion, while unbalanced forces can make an object start or stop moving or change directions.
Physics projectile motion
This document defines projectile motion and its key components. It discusses:
1) A projectile is any object that continues to move under the influence of gravity alone after being thrown or dropped. Projectile motion follows a parabolic path due to constant horizontal velocity and changing vertical velocity from gravity.
2) Types of projectile motion include horizontal, vertical, and parabolic. Examples are cannonballs and objects thrown from moving vehicles.
3) Derivations show the relationships between initial velocity, acceleration, velocity, displacement, maximum height, range, launch angle, and time for projectile motion. The two main factors affecting projectile motion are the initial launch angle and velocity.
Projectile motion
Projectile motion refers to the two-dimensional motion of objects through both horizontal and vertical components. There are three types of projectile motion: horizontal, where an object rolls along a level surface with constant horizontal velocity; vertical, where a freely falling object experiences acceleration due to gravity, changing its vertical velocity over time; and parabolic, where an object accelerates only vertically while maintaining a constant horizontal velocity, tracing a parabolic path. Factors that affect projectile motion include the initial angle of launch and initial velocity.
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Projectile motion
This document discusses projectile motion and objects under the influence of gravity. It explains that objects dropped or launched with both horizontal and vertical components will follow a parabolic trajectory due to Earth's gravity accelerating objects at 9.81 m/s2. Objects dropped from the same height will hit the ground at the same time regardless of mass when ignoring air resistance. Projectile motion problems can be solved using kinematic equations, considering the horizontal and vertical motion separately.
Ch3 2-d kinematics notes
This document discusses 2-dimensional motion and different types of projectile motion. It explains that horizontal and vertical motion can be treated independently, with gravity only affecting vertical motion. It then describes 4 types of projectile motion: 1) an object dropped from rest, 2) an object with an initial horizontal velocity as it falls, 3) a perfect parabola trajectory, and 4) an object launched at an angle from height. Key effects like constant horizontal velocity and zero vertical velocity at the top of the path are also noted.
Newton’s 1st law of motion
Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Friction is a net force that causes objects to slow down and stop due to contact between surfaces. According to Newton's First Law, without friction or gravity, objects would continue moving indefinitely. The net force on an object is calculated by adding all individual forces acting on it; if the forces balance out the net force is zero and there is no change in motion, while an unbalanced net force will cause acceleration or a change in speed or direction of motion.
Force
The document discusses force, pressure, and friction. It defines force as a push or pull and explains that forces can change the speed, direction, or shape of an object. It also distinguishes between elastic and inelastic objects based on whether they return to their original shape after a force is applied. Friction is described as a force that opposes motion.
Projectiles
The document discusses projectile motion, including that:
1) A projectile's horizontal and vertical motion are independent, with gravity only affecting vertical motion.
2) The path of a projectile is a combination of its horizontal and vertical components - horizontal motion is constant while vertical motion is affected by gravity.
3) Changing the projection angle affects the projectile's altitude and range, with the maximum range occurring at a 45 degree angle.
Ch.11.less.1.how are forces and motion related
1) The document discusses different types of motion including up and down, straight line, round and round, zigzag, and back and forth motion. It also discusses distance, direction, forces, and types of forces including balanced and unbalanced forces.
2) Forces can make something move, change an object's direction or speed, or change an object's shape. Examples of forces include gravity, friction, and air resistance.
3) Balanced forces do not change an object's motion, while unbalanced forces can make an object start or stop moving or change directions.
Physics projectile motion
This document defines projectile motion and its key components. It discusses:
1) A projectile is any object that continues to move under the influence of gravity alone after being thrown or dropped. Projectile motion follows a parabolic path due to constant horizontal velocity and changing vertical velocity from gravity.
2) Types of projectile motion include horizontal, vertical, and parabolic. Examples are cannonballs and objects thrown from moving vehicles.
3) Derivations show the relationships between initial velocity, acceleration, velocity, displacement, maximum height, range, launch angle, and time for projectile motion. The two main factors affecting projectile motion are the initial launch angle and velocity.
Projectile motion
Projectile motion refers to the two-dimensional motion of objects through both horizontal and vertical components. There are three types of projectile motion: horizontal, where an object rolls along a level surface with constant horizontal velocity; vertical, where a freely falling object experiences acceleration due to gravity, changing its vertical velocity over time; and parabolic, where an object accelerates only vertically while maintaining a constant horizontal velocity, tracing a parabolic path. Factors that affect projectile motion include the initial angle of launch and initial velocity.
Unit 20 - Forces And Friction
This document discusses different types of forces including thrust, lift, drag, magnetism, gravity, and friction. It explains how balanced and unbalanced forces affect the motion of objects. Balanced forces cause objects to remain stationary, while unbalanced forces cause movement, changes in speed or direction. Friction is defined and different types are described including static, rolling, sliding, and fluid friction. Examples are given of how forces and friction impact various situations and technologies.
Physics -vectors-projectile motion
Projectile motion refers to the two-dimensional motion of an object under the influence of gravity. A projectile has both horizontal and vertical motion, with the horizontal motion being constant and the vertical motion accelerating due to gravity. The path of a projectile through the air is a parabolic curve. Examples of projectile motion include throwing a ball, kicking a field goal, or launching a rocket.
Forces and friction
The document discusses different types of forces including gravity, friction, and their effects on motion. It explains Newton's three laws of motion - an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force (1st law), force equals mass times acceleration (2nd law), and for every action there is an equal and opposite reaction (3rd law). Friction opposes motion between surfaces while gravity pulls objects toward each other. Air resistance from fluid friction increases with an object's speed during freefall, until terminal velocity is reached where forces balance.
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Newton's First Law of Motion, also known as the Law of Inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The document defines key terms related to motion including force, inertia, friction, position, speed, velocity, acceleration, deceleration, incline, pendulum, and gravity. It provides examples of how these concepts relate to Newton's First Law.
Projectiles
The document discusses projectile motion, including that:
1) A projectile's horizontal and vertical motion are independent, with gravity only affecting vertical motion.
2) The path of a projectile is a combination of its horizontal and vertical components - horizontal motion is constant while vertical motion is affected by gravity.
3) Changing the projection angle affects the projectile's altitude and range, with the maximum range occurring at a 45 degree angle.
Sabareesh p s ppt
This power point presentation by Sabareesh P.S. summarizes Newton's contributions and laws of motion. Newton developed calculus, demonstrated that white light is composed of rainbow colors, invented the reflecting telescope, and formulated the laws of motion and universal law of gravitation. Newton's First Law, also called the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The presentation provides examples of how friction and gravity cause moving objects to eventually stop due to the unbalanced forces they create.
Sabareeshpsppt
This PowerPoint presentation summarizes Newton's contributions and laws of motion. Newton developed calculus, proved that white light is composed of rainbow colors, invented the reflecting telescope, and formulated the laws of motion and universal law of gravitation. Newton's First Law, also called the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The presentation explains balanced and unbalanced forces and how inertia increases with increasing mass of an object.
1.5 projectile motion
A projectile is an object moving under the influence of gravity with a parabolic path. Its motion can be analyzed by separating the horizontal and vertical components. In the horizontal direction, the velocity is constant, while in the vertical direction there is a constant acceleration due to gravity. Projectile motion is used to model many real-world scenarios like thrown objects, diving, and artillery fire. Solving projectile motion problems involves separating the horizontal and vertical motions and using kinematic equations with the initial velocities and gravitational acceleration.
Projectile Motion
Projectile motion describes the path of an object thrown or projected into the air. It has both horizontal and vertical motion. In the horizontal direction, the object maintains a constant velocity, but in the vertical direction it accelerates downward due to gravity. This results in a parabolic trajectory. The horizontal and vertical motions can be analyzed separately, with gravity only affecting vertical motion. The horizontal range of a projectile depends on its initial velocity and launch angle, with the maximum range achieved at 45 degrees.
First Law of Motion- Law of Inertia
First Law of Motion: The Law of Inertia
An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction, unless acted upon by an external net force (unbalanced force)
Section 2
This document discusses friction and gravity. It defines friction as the force that two surfaces exert on each other when rubbing together, and identifies four types of friction: static, sliding, rolling, and fluid friction. Gravity is defined as a force that pulls objects toward each other. The document explains how mass and distance affect gravitational attraction between objects. It also discusses concepts related to gravity and motion like free fall, air resistance, terminal velocity, and projectile motion.
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This topic contains notes, examples and exercises which deal with objects that are moving horizontally with constant speed and vertically downward with the acceleration due to gravity.
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The document discusses factors that affect the motion of falling objects, including:
- Air resistance slows falling objects and causes them to reach a terminal speed where air resistance equals weight. Lighter objects with more surface area, like feathers, reach terminal speed sooner than heavier objects.
- All objects, neglecting air resistance, fall with uniform acceleration due to gravity (g ≈ 9.8 m/s^2). Equations of motion can be used to calculate variables like displacement, velocity, and time for vertically falling or projected objects.
- For objects experiencing air resistance, acceleration decreases as speed increases until terminal velocity is reached, where drag equals weight and acceleration is zero.
Unit 19 - Forces And Motion
1) Velocity is a measurement of how fast an object is moving in a particular direction, measured as the change in distance over the change in time. Examples of high velocities include 220 mph and 1600 mph for objects on Earth.
2) Acceleration is the measurement of a change in an object's velocity. If an object speeds up, it has positive acceleration, and if it slows down, it has negative acceleration. Forces cause changes in an object's velocity.
3) Examples are given of positive and negative acceleration, as well as high and low acceleration rates in different motion scenarios like braking in a car or a basketball being thrown into the air.
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This document discusses forces, friction, and coefficients of friction. It explains that friction opposes motion and causes objects to slow down without a continuous application of force. It also discusses the normal force being perpendicular to surfaces and defining the coefficient of friction as the ratio of the friction force to the normal force. Examples are provided of coefficients of friction for different surface combinations and how friction allows objects to stay on roads when rounding curves at certain speeds due to the maximum static friction force.
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This science unit for 2nd grade students introduces the concepts of push and pull forces and how they can make objects move in different ways depending on an object's size, shape, weight, and the surface it is moving on. It also explains how forces can change an object's shape and how gravity causes all objects to fall to the ground, with heavier objects hitting first due to their greater weight. Magnets are also noted for their ability to attract metal objects without touching them.
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This document discusses Newton's First Law of Motion and key concepts related to motion including inertia, force, friction, position, speed, velocity, acceleration, deceleration, incline, pendulum, and gravity. Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and direction unless acted upon by an unbalanced force.
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1. The document discusses projectile motion and provides an example problem of calculating the motion of a ball launched at a 30 degree angle from a table 1 meter high.
2. It explains that projectile motion can be used to study how objects move through the air or space, and gives some everyday examples.
3. Conservation of energy can also be used to solve projectile motion problems, since the only force acting is gravity, and the horizontal velocity does not change.
projectile motion
this is all about projectile motion......first few slides are only for presentation ....if needed u can ignore them.....
Projectile motion
This document discusses projectile motion, including motion in two dimensions for objects launched horizontally as well as objects launched at an angle. It provides equations to describe the horizontal and vertical components of velocity and position over time for projectiles. An example problem is also given to calculate the velocity, position, and graphs of motion for an object sliding off a table.
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This document discusses different types of forces including thrust, lift, drag, magnetism, gravity, and friction. It explains how balanced and unbalanced forces affect the motion of objects. Balanced forces cause objects to remain stationary, while unbalanced forces cause movement, changes in speed or direction. Friction is defined and different types are described including static, rolling, sliding, and fluid friction. Examples are given of how forces and friction impact various situations and technologies.
Physics -vectors-projectile motion
Projectile motion refers to the two-dimensional motion of an object under the influence of gravity. A projectile has both horizontal and vertical motion, with the horizontal motion being constant and the vertical motion accelerating due to gravity. The path of a projectile through the air is a parabolic curve. Examples of projectile motion include throwing a ball, kicking a field goal, or launching a rocket.
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The document discusses different types of forces including gravity, friction, and their effects on motion. It explains Newton's three laws of motion - an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force (1st law), force equals mass times acceleration (2nd law), and for every action there is an equal and opposite reaction (3rd law). Friction opposes motion between surfaces while gravity pulls objects toward each other. Air resistance from fluid friction increases with an object's speed during freefall, until terminal velocity is reached where forces balance.
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Newton's First Law of Motion, also known as the Law of Inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The document defines key terms related to motion including force, inertia, friction, position, speed, velocity, acceleration, deceleration, incline, pendulum, and gravity. It provides examples of how these concepts relate to Newton's First Law.
Projectiles
The document discusses projectile motion, including that:
1) A projectile's horizontal and vertical motion are independent, with gravity only affecting vertical motion.
2) The path of a projectile is a combination of its horizontal and vertical components - horizontal motion is constant while vertical motion is affected by gravity.
3) Changing the projection angle affects the projectile's altitude and range, with the maximum range occurring at a 45 degree angle.
Sabareesh p s ppt
This power point presentation by Sabareesh P.S. summarizes Newton's contributions and laws of motion. Newton developed calculus, demonstrated that white light is composed of rainbow colors, invented the reflecting telescope, and formulated the laws of motion and universal law of gravitation. Newton's First Law, also called the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The presentation provides examples of how friction and gravity cause moving objects to eventually stop due to the unbalanced forces they create.
Sabareeshpsppt
This PowerPoint presentation summarizes Newton's contributions and laws of motion. Newton developed calculus, proved that white light is composed of rainbow colors, invented the reflecting telescope, and formulated the laws of motion and universal law of gravitation. Newton's First Law, also called the law of inertia, states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. The presentation explains balanced and unbalanced forces and how inertia increases with increasing mass of an object.
1.5 projectile motion
A projectile is an object moving under the influence of gravity with a parabolic path. Its motion can be analyzed by separating the horizontal and vertical components. In the horizontal direction, the velocity is constant, while in the vertical direction there is a constant acceleration due to gravity. Projectile motion is used to model many real-world scenarios like thrown objects, diving, and artillery fire. Solving projectile motion problems involves separating the horizontal and vertical motions and using kinematic equations with the initial velocities and gravitational acceleration.
Projectile Motion
Projectile motion describes the path of an object thrown or projected into the air. It has both horizontal and vertical motion. In the horizontal direction, the object maintains a constant velocity, but in the vertical direction it accelerates downward due to gravity. This results in a parabolic trajectory. The horizontal and vertical motions can be analyzed separately, with gravity only affecting vertical motion. The horizontal range of a projectile depends on its initial velocity and launch angle, with the maximum range achieved at 45 degrees.
First Law of Motion- Law of Inertia
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An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction, unless acted upon by an external net force (unbalanced force)
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This document discusses friction and gravity. It defines friction as the force that two surfaces exert on each other when rubbing together, and identifies four types of friction: static, sliding, rolling, and fluid friction. Gravity is defined as a force that pulls objects toward each other. The document explains how mass and distance affect gravitational attraction between objects. It also discusses concepts related to gravity and motion like free fall, air resistance, terminal velocity, and projectile motion.
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This topic contains notes, examples and exercises which deal with objects that are moving horizontally with constant speed and vertically downward with the acceleration due to gravity.
Falling bodies
The document discusses factors that affect the motion of falling objects, including:
- Air resistance slows falling objects and causes them to reach a terminal speed where air resistance equals weight. Lighter objects with more surface area, like feathers, reach terminal speed sooner than heavier objects.
- All objects, neglecting air resistance, fall with uniform acceleration due to gravity (g ≈ 9.8 m/s^2). Equations of motion can be used to calculate variables like displacement, velocity, and time for vertically falling or projected objects.
- For objects experiencing air resistance, acceleration decreases as speed increases until terminal velocity is reached, where drag equals weight and acceleration is zero.
Unit 19 - Forces And Motion
1) Velocity is a measurement of how fast an object is moving in a particular direction, measured as the change in distance over the change in time. Examples of high velocities include 220 mph and 1600 mph for objects on Earth.
2) Acceleration is the measurement of a change in an object's velocity. If an object speeds up, it has positive acceleration, and if it slows down, it has negative acceleration. Forces cause changes in an object's velocity.
3) Examples are given of positive and negative acceleration, as well as high and low acceleration rates in different motion scenarios like braking in a car or a basketball being thrown into the air.
Lecture 3 net_force
This document discusses forces, friction, and coefficients of friction. It explains that friction opposes motion and causes objects to slow down without a continuous application of force. It also discusses the normal force being perpendicular to surfaces and defining the coefficient of friction as the ratio of the friction force to the normal force. Examples are provided of coefficients of friction for different surface combinations and how friction allows objects to stay on roads when rounding curves at certain speeds due to the maximum static friction force.
Unit 7
This science unit for 2nd grade students introduces the concepts of push and pull forces and how they can make objects move in different ways depending on an object's size, shape, weight, and the surface it is moving on. It also explains how forces can change an object's shape and how gravity causes all objects to fall to the ground, with heavier objects hitting first due to their greater weight. Magnets are also noted for their ability to attract metal objects without touching them.
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This document discusses Newton's First Law of Motion and key concepts related to motion including inertia, force, friction, position, speed, velocity, acceleration, deceleration, incline, pendulum, and gravity. Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and direction unless acted upon by an unbalanced force.
Physics Ppt
1. The document discusses projectile motion and provides an example problem of calculating the motion of a ball launched at a 30 degree angle from a table 1 meter high.
2. It explains that projectile motion can be used to study how objects move through the air or space, and gives some everyday examples.
3. Conservation of energy can also be used to solve projectile motion problems, since the only force acting is gravity, and the horizontal velocity does not change.
projectile motion
this is all about projectile motion......first few slides are only for presentation ....if needed u can ignore them.....
Projectile motion
This document discusses projectile motion, including motion in two dimensions for objects launched horizontally as well as objects launched at an angle. It provides equations to describe the horizontal and vertical components of velocity and position over time for projectiles. An example problem is also given to calculate the velocity, position, and graphs of motion for an object sliding off a table.
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Marketing and pr task 3
Understanding the principal methods and techniques used in marketing and public relationships. The document discusses the importance of understanding client requirements to ensure projects meet their needs. It explains how gaining client trust allows for more work opportunities and input. Understanding the market is also important to package products to meet customer needs. Different techniques can be used to understand the market like SWOT analysis, audience profiling, and understanding the 4 P's of the marketing mix: product, price, place, and promotion.
Pterois
The document discusses the invasive lionfish species in Florida. It provides background that lionfish are native to the Indo-Pacific region but have become an invasive threat to Florida's marine life. Lionfish were first reported off Florida's coast in 1985 and have since spread throughout the Caribbean and Gulf of Mexico, reaching the northern Gulf by 2010. The invasion is thought to have started from aquarium releases, either accidental after storms or intentional from hobbyists dumping unwanted lionfish.
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The document discusses the specifications of the Surface Pro 2 tablet computer, including that it has an Intel Core i5 or i7 processor running at 1.6 or 1.9 GHz, 4 or 8 GB of RAM, and integrated graphics with up to 1.6 GB of memory and 25.6 GB/s of bandwidth. The document also mentions the thermal design power of the processors and provides a link to a review of the Surface Pro on another website.
Marketing and pr task 2
Mattel launched a publicity stunt in 1977 where they decorated an entire street in Manchester pink to promote their Barbie doll. They painted the exterior of 70 homes, streets, windows, and roofs bubblegum pink. This generated an estimated 100 million media impressions. The unique pink street was a bold visual stunt that effectively promoted Barbie.
Starbucks implements a name-on-cup campaign where they write customers' names on receipts and cups. This personal touch creates an emotional connection with customers and has led to many new, younger customers sharing photos on social media which further promotes the brand.
Innocent Drinks places tiny knitted hats on their smoothie bottle lids during winter. The cute hats
Techniques task 2&3
Movement photography uses two techniques: keeping the camera still to capture movement blur, requiring a slow shutter speed; or moving the camera itself. The proper shutter speed depends on the moving subject and available light. The author took photos of stationary objects like a keyboard by moving the camera, but the quality suffered from time constraints and inexperience. Future attempts will focus on more interesting subjects with better planning.
Research task 1
Experimental photography is the manipulation of techniques or technologies to depict the impossible. It often reuses existing techniques in new ways. Photographers face difficulties as equipment and materials become discontinued. Experimental photography includes four categories: historical, contemporary, traditional, and non-traditional. Mariah Robertson is a contemporary experimental photographer based in Brooklyn known for her manipulated digital images that violate photographic rules. Kayla Varley is a Los Angeles-based photographer who produces intimate black and white self-portraits that tell personal stories. Ronny Engelmann is a German photo artist who creates strange but wonderful manipulated images to depict his fantastical ideas.
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Newton's laws of motion 14 april 2015
Here are the steps to solve this problem:
a) Since the buckets are at rest, the tension in each cord must balance the weight of the bucket it supports. Therefore, the tension is 3.2 kg * 9.8 m/s2 = 31.36 N
b) Applying Newton's Second Law to each bucket:
Upper bucket: Tension - Weight = Mass * Acceleration
Tension - 3.2 kg * 9.8 m/s2 = 3.2 kg * 1.6 m/s2
Tension = 31.36 N + 3.2 * 1.6 = 35.2 N
Lower bucket: Tension - Weight = Mass * Acceleration
Tension - 3.
Laws of motion
This lecture discusses motion in two dimensions, including projectile motion, and Newton's laws of motion. It covers:
- Projectile motion and its characteristics like independent vertical and horizontal acceleration.
- Newton's three laws of motion - the first law on inertia, the second law relating force, mass and acceleration, and the third law on action-reaction pairs.
- Examples of applying Newton's laws like forces on connected objects, static vs kinetic friction, and terminal speed.
1st Lec Ch #5.pptx
Newton's laws of motion describe the relationship between an object and the forces acting upon it, and its response to those forces. The three laws are:
1) An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
2) The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the direction of the net force, and inversely proportional to the mass of the object.
3) For every action, there is an equal and opposite reaction.
The document provides explanations and examples of these laws, different types of forces including contact
Newton's laws of motion by Mphiriseni Khwanda
Newton's Laws of Motion document summarizes Newton's three laws of motion. It discusses Newton's first law, stating that objects at rest stay at rest and objects in motion stay in motion with constant velocity unless acted upon by an unbalanced force. It addresses misconceptions about the first law. Newton's second law states that acceleration is directly proportional to net force and inversely proportional to mass. Problems are provided applying the laws, including drawing free-body diagrams and solving equations of motion. Newton's third law is not discussed.
3a. dynamics newtons laws
- Dynamics studies the causes of motion rather than just describing motion like kinematics. There are four fundamental forces - gravitation, electromagnetism, weak nuclear force, and strong nuclear force. Forces can be applied, thrust, weight, normal, elastic, tension, friction, air resistance, electric, or magnetic.
- Newton's three laws of motion are: 1) An object at rest stays at rest or an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. 2) The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, inversely proportional to the mass of the object. 3)
Gravity
This document discusses key concepts of gravity including:
1) Gravity is a force that acts between any two masses, depending on their mass and distance. This is described by Newton's law of universal gravitation.
2) When the only force acting on an object is gravity, it is in free fall and accelerates at 9.8 m/s^2 near Earth's surface.
3) Air resistance opposes gravity and causes objects with greater surface areas to fall more slowly, until they reach terminal velocity where air resistance equals weight.
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This document discusses Isaac Newton's three laws of motion and related concepts like inertia, balanced forces, unbalanced forces, and gravity. Newton's three laws are: 1) Objects at rest tend to stay at rest and objects in motion tend to stay in motion unless acted upon by an unbalanced force. 2) Force equals mass times acceleration. 3) For every action there is an equal and opposite reaction. The document provides examples and explanations of how these laws apply to real-world situations like a ball rolling to a stop due to friction or an object in space propelling itself back to a shuttle by throwing an object.
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The presentation has educators as its audience. It describes ways of teaching the chapter for learners' understanding. Note that the presentation emphasizes methods of telling stories when interpreting graphs.
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Here are the reaction forces described for each example:
a. The ball exerts a force of 500 N [South] on the football player's foot.
b. The table exerts an equal and opposite force of 25 N [up] on the book.
c. The bullet exerts a force of 1,000 N [West] on the gun.
d. The earth exerts a force of 5 N [up] on the apple.
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This document discusses Newton's laws of motion and forces. It defines force as a push or pull and describes different types of forces including contact forces and field forces. Mass is defined as the amount of matter in an object, while weight is the force on an object due to gravity. Net force is determined by combining all forces acting on an object. Free-body diagrams are used to represent the forces acting on an object. Friction and other concepts such as static equilibrium, kinetic friction, and terminal velocity are also explained.
51145703 form-2-science-chapter-7 (1)
This document discusses forces and their applications in daily life. Chapter 7 covers the concepts of force, measuring force, frictional force, work, power, and the importance of forces. It defines force and different types of forces like gravitational, electrostatic, magnetic, and frictional forces. It also explains how to measure force using a spring balance and calculate work done and power. Examples are provided to illustrate the applications and importance of forces like friction, gravity, and magnetism in everyday activities and electrical devices.
Force and acceleration simplified
Forces can push or pull on objects and change their motion. A force is measured in Newtons. The net force on an object determines its acceleration according to F=ma. Newton's three laws describe how forces interact: 1) objects in motion stay in motion unless a force acts; 2) F=ma; 3) for every action there is an equal and opposite reaction. Centripetal force provides the inward pull that causes objects to travel in circular paths. Stability depends on the location of an object's center of mass relative to its base.
Force and acceleration simplified
Forces can push or pull on objects and change their motion. A force is measured in Newtons. The net force on an object determines its acceleration according to F=ma. Newton's three laws describe how forces interact: 1) objects in motion stay in motion unless a force acts, 2) F=ma, and 3) for every action there is an equal and opposite reaction. Centripetal force provides the inward force needed for circular motion. Levers, moments, and fulcrums can be used to make work easier by reducing the needed force. The location of an object's center of mass determines its stability.
Forces and Motion ppt pdf.pdf
1. The document discusses concepts related to gravity, motion, and momentum including how gravity causes all objects to accelerate at the same rate, how air resistance and terminal velocity affect falling objects, Newton's laws of motion, and the conservation of momentum during collisions.
2. Key points covered include that gravity causes acceleration independent of mass, air resistance increases with speed until equaling gravity, and Newton's laws state that an object remains in motion unless acted on by an external force along with equal and opposite reaction forces.
3. The conservation of momentum is explained as the total momentum remaining the same during collisions, with the momentum transferring between objects and causing them to move in different directions at different speeds post-collision.
1.2.1 projectile motion
This document discusses projectile motion and related concepts. It defines a projectile as any object moving only under the influence of gravity. The horizontal and vertical motions of a projectile are independent, allowing the use of kinematic equations separately in each direction. Galileo first discovered that objects fall at the same rate regardless of mass by dropping objects from the Leaning Tower of Pisa. The document provides examples of solving projectile motion problems by separating the horizontal and vertical components.
Force
The document describes key concepts in physics including energy, force, motion, waves, electricity, and magnetism. Some key points covered include:
- Identifying energy transformations and transfers of heat energy through conduction, convection, and radiation.
- Describing and calculating concepts like velocity, acceleration, Newton's laws of motion, and mechanical advantage of simple machines.
- Investigating light and sound phenomena, static electricity, and the relationship between voltage, current and resistance in electric circuits.
- Relating electricity and magnetism and their common applications.
Kragte 11 e
- A force is a push or pull on an object due to its interaction with other objects. Common forces include gravity, normal force, tension, friction, electromagnetic force, and contact force.
- Forces are represented by arrows, with the length proportional to the magnitude. Forces can be added vectorially to find the net/resultant force. If the net force is nonzero, the object will accelerate. If it's zero, the object will maintain a constant velocity or remain at rest.
- For every action there is an equal and opposite reaction. The forces due to interactions between two objects are always equal in magnitude and opposite in direction.
Lecture14motion2 d
The document discusses motion in two and three dimensions. It explains that a vector in three dimensions has three components, but motion in a plane can be described with two components along the x and y axes. It provides examples of describing the position, velocity, displacement, and acceleration of objects moving in two dimensions using component analysis along the x and y axes. Examples are given of projectile motion, where gravity causes acceleration in one direction but not the other.
physics project projectile motion
1) Projectile motion involves both horizontal and vertical motion that occur independently. A projectile is an object thrown with an initial velocity that is affected by gravity during flight.
2) The path of a projectile is parabolic. Key elements include maximum height, time of flight, and horizontal range.
3) For an object projected at an angle, its motion can be analyzed as two independent motions - horizontal and vertical. The path remains parabolic and factors like initial velocity and launch angle affect maximum height and horizontal range.
Mock teaching quest
This document provides an overview of Newton's laws of motion. It defines key concepts like force, mass, weight, balanced and unbalanced forces. It then explains each of Newton's three laws of motion - (1) an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force, (2) acceleration is directly proportional to net force and inversely proportional to mass, and (3) for every action there is an equal and opposite reaction. The document also discusses free body diagrams and uses examples to demonstrate how to apply Newton's laws to solve problems involving forces, friction, and motion on inclined planes.
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Projectilemotion 110208215523-phpapp02
- 1. Projectile Motion Falling things, and rockets ‘n’ that…
- 2. Projectile Motion This involves any objects under the influence of gravity. • Objects which are dropped (not travelling horizontally) and • Objects which are launched (with a horizontal component).
- 3. Objects Under the Influence of Gravity: • Everything close to the Earth’s surface is accelerating towards the Earth at a rate of 9.81 푚푠¯2 due to gravity. • This means in problems involving falling we can always use a= ퟗ. ퟖퟏ 풎풔¯² in kinematic equations. • For every kg of mass an object experiences a weight force of 9.81 Newtons (N) • Given by: W=mg Where W is weight
- 4. Continued… • What does this mean for objects dropped from the same height? • Objects dropped from the same height will hit the ground at the same time, regardless of weight (ignoring differences in air resistance) http://www.animations.physics.unsw.edu.au/jw/projectiles.htm#1 • Solve the same way you would any other kinematics problem… • State what you know, what do you want to find? • Choose an equation and solve for your unknown. • Look out for key words like.. “dropped”, “from rest” and “stationary:” Rutter p. 32,33 – odd questions
- 5. What will hit the ground first a bullet dropped or a bullet fired from the same height? Discuss with your neighbour… http://www.youtube.com/watch?v=D9wQVIEdKh8
- 6. Projectile Motion • Projectile motion follows a parabolic path i.e. http://phet.colorado.edu/sims/projectile-motion/projectile-motion_en.html • It has a horizontal (x) component and a vertical (y) component. • The horizontal component is not affected by gravity, so use separate equations for the different components. http://www.tutorvista.com/content/physics/physics-iii/kinematics/projectile-motion-animation. php