2-11 Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 4 m/sS1U1P12S1S1P0. -Which statement accurately describes the motion of the particle?

A) The particle travels 4 meters during each second. B) The particle travels 4 meters during the first second only. C) The speed of the particle increases by 4 m/s during each second. D) The acceleration of the particle increases by 4 m/s2 during each second. E) The final velocity of the particle will be proportional to the distance that the particle covers. A) The particle travels 4 meters during each second. B) The particle travels 4 meters during the first second only. C) The speed of the particle increases by 4 m/s during each second. D) The acceleration of the particle increases by 4 m/s2 during each second. E) The final velocity of the particle will be proportional to the distance that the particle covers.

Starting from rest, a particle that is confined to move along a straight line is accelerated at a rate of 5.0 m/s2.Which statement concerning the slope of the position versus time graph for this particle is true?

A) The slope has a constant value of 5.0 m/s. B) The slope has a constant value of 5.0 m/s2. C) The slope is both constant and negative. D) The slope is not constant and increases with increasing time. E) The slope is not constant and decreases with increasing time. A) The slope has a constant value of 5.0 m/s. B) The slope has a constant value of 5.0 m/s2. C) The slope is both constant and negative. D) The slope is not constant and increases with increasing time. E) The slope is not constant and decreases with increasing time.

A car is moving at a constant velocity when it is involved in a collision.The car comes to rest after 0.450 s with an average acceleration of 60.0 m/s2 in the direction opposite that of the car's velocity.What was the speed, in km/h, of the car before the collision?

A) 29.2 km/h B) 44.8 km/h C) 97.2 km/h D) 105 km/h E) 144 km/h A) 29.2 km/h B) 44.8 km/h C) 97.2 km/h D) 105 km/h E) 144 km/h

Exam 2: Kinematics in One Dimension

2-4 A ball is shot straight up from the surface of the earth with an initial speed of 19.6 m/s. Neglect any effects due to air resistance. -What maximum height will the ball reach?

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Question 1

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2-7 An object is moving along a straight line.The graph shows the object's position from the starting point as a function of time. -In which segment(s) of the graph does the object's average velocity (measured from t = 0 s) decrease with time?

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Question 2

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A particle travels along a curved path between two points P and Q as shown.The displacement of the particle does not depend on

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Question 3

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Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s.If, after reaching the finish line, Mr.Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m?

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Question 4

2-3 An object starts from rest and accelerates uniformly in a straight line in the positive x direction. After 11 seconds, its speed is 70.0 m/s. -What is the average velocity of the object during the first 11 seconds?

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Question 5

2-12 A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters. -How long would it take the object, falling from rest, to fall 16 m on this planet?

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Question 6

2-11 Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 4 m/s². -Which statement accurately describes the motion of the particle?

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Question 7

2-12 A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters. -Determine the speed of the object after falling from rest through 16 m on this planet.

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Question 8

How far does the object move in the interval from t = 0 to t = 2 s?

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Question 9

A body initially at rest is accelerated at a constant rate for 5.0 seconds in the positive x direction.If the final speed of the body is 20.0 m/s, what was the body's acceleration?

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Question 10

2-13 A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s.One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s. -How long does it take the ball to reach its maximum height?

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Question 11

When the outdoor emergency warning siren at Cheryl's school was tested, the sound from the siren took 7.0 s to reach her house located 2.40 km from the school.What is the speed of sound in air?

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Question 12

After 10 seconds, how far will the particle have traveled?

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Question 13

2-3 An object starts from rest and accelerates uniformly in a straight line in the positive x direction. After 11 seconds, its speed is 70.0 m/s. -Ball A is dropped from rest from a window.At the same instant, ball B is thrown downward; and ball C is thrown upward from the same window.Which statement concerning the balls after their release is necessarily true if air resistance is neglected?

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Question 14

Ryan throws a tennis ball vertically upward.The ball returns to the point of release after 3.5 s.What is the speed of the ball as it is released?

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Question 15

Starting from rest, a particle that is confined to move along a straight line is accelerated at a rate of 5.0 m/s².Which statement concerning the slope of the position versus time graph for this particle is true?

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Question 16

A landing airplane makes contact with the runway with a speed of 75.0 m/s and moves toward the south.After 18.5 seconds, the airplane comes to rest.What is the average acceleration of the airplane during the landing?

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Question 17

A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t.Note: The circumference of a circle is given by C = 2 $\pi$ r. -Which one of the following statements concerning this car is true?

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Question 18

A car is moving at a constant velocity when it is involved in a collision.The car comes to rest after 0.450 s with an average acceleration of 60.0 m/s² in the direction opposite that of the car's velocity.What was the speed, in km/h, of the car before the collision?

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Question 19

A car is stopped at a red traffic light.When the light turns to green, the car has a constant acceleration and crosses the 9.10-m intersection in 2.86 s.What is the magnitude of the car's acceleration?

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Question 20

Showing 1 - 20 of 103

Exam 2: Kinematics in One Dimension

2-4 A ball is shot straight up from the surface of the earth with an initial speed of 19.6 m/s. Neglect any effects due to air resistance. -What maximum height will the ball reach?

2-7 An object is moving along a straight line.The graph shows the object's position from the starting point as a function of time. -In which segment(s) of the graph does the object's average velocity (measured from t = 0 s) decrease with time?

A particle travels along a curved path between two points P and Q as shown.The displacement of the particle does not depend on

Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s.If, after reaching the finish line, Mr.Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m?

2-3 An object starts from rest and accelerates uniformly in a straight line in the positive x direction. After 11 seconds, its speed is 70.0 m/s. -What is the average velocity of the object during the first 11 seconds?

2-12 A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters. -How long would it take the object, falling from rest, to fall 16 m on this planet?

2-11 Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 4 m/s2. -Which statement accurately describes the motion of the particle?

2-12 A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters. -Determine the speed of the object after falling from rest through 16 m on this planet.

How far does the object move in the interval from t = 0 to t = 2 s?

A body initially at rest is accelerated at a constant rate for 5.0 seconds in the positive x direction.If the final speed of the body is 20.0 m/s, what was the body's acceleration?

2-13 A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s.One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s. -How long does it take the ball to reach its maximum height?

When the outdoor emergency warning siren at Cheryl's school was tested, the sound from the siren took 7.0 s to reach her house located 2.40 km from the school.What is the speed of sound in air?

After 10 seconds, how far will the particle have traveled?

Ryan throws a tennis ball vertically upward.The ball returns to the point of release after 3.5 s.What is the speed of the ball as it is released?

Starting from rest, a particle that is confined to move along a straight line is accelerated at a rate of 5.0 m/s2.Which statement concerning the slope of the position versus time graph for this particle is true?

A landing airplane makes contact with the runway with a speed of 75.0 m/s and moves toward the south.After 18.5 seconds, the airplane comes to rest.What is the average acceleration of the airplane during the landing?

A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t.Note: The circumference of a circle is given by C = 2 π\piπ r. -Which one of the following statements concerning this car is true?

A car is moving at a constant velocity when it is involved in a collision.The car comes to rest after 0.450 s with an average acceleration of 60.0 m/s2 in the direction opposite that of the car's velocity.What was the speed, in km/h, of the car before the collision?

A car is stopped at a red traffic light.When the light turns to green, the car has a constant acceleration and crosses the 9.10-m intersection in 2.86 s.What is the magnitude of the car's acceleration?

Introduction and Mathematical Concepts

Kinematics in Two Dimensions

Forces and Newtons Laws of Motion

Dynamics of Uniform Circular Motion

Work and Energy

Impulse and Momentum

Rotational Kinematics

Rotational Dynamics

Simple Harmonic Motion and Elasticity

Fluids

Temperature and Heat

The Transfer of Heat

The Ideal Gas Law and Kinetic Theory

Thermodynamics

Waves and Sound

The Principle of Linear Superposition and Interference Phenomena

Electric Forces and Electric Fields

Electric Potential Energy and the Electric Potential

Electric Circuits

Magnetic Forces and Magnetic Fields

Electromagnetic Induction

Alternating Current Circuits

Electromagnetic Waves

The Reflection of Light: Mirrors

The Refraction of Light: Lenses and Optical Instruments

Interference and the Wave Nature of Light

Special Relativity

Particles and Waves

The Nature of the Atom

Nuclear Physics and Radioactivity

Ionizing Radiation, Nuclear Energy, and Elementary Particles

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2-11 Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 4 m/s². -Which statement accurately describes the motion of the particle?

Starting from rest, a particle that is confined to move along a straight line is accelerated at a rate of 5.0 m/s².Which statement concerning the slope of the position versus time graph for this particle is true?

A racecar, traveling at constant speed, makes one lap around a circular track of radius r in a time t.Note: The circumference of a circle is given by C = 2 $\pi$ r. -Which one of the following statements concerning this car is true?

A car is moving at a constant velocity when it is involved in a collision.The car comes to rest after 0.450 s with an average acceleration of 60.0 m/s² in the direction opposite that of the car's velocity.What was the speed, in km/h, of the car before the collision?