If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s2, how many times would the spaceship travel the distance between Earth and the sun ?

A) 3000 times B) 3 times C) 3 million times D) 30 times E) 300 times A) 3000 times B) 3 times C) 3 million times D) 30 times E) 300 times

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s2 for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

A) 20 cm/s. B) 35 cm/s. C) 38 cm/s. D) 100 cm/s. E) 12 cm/s. A) 20 cm/s. B) 35 cm/s. C) 38 cm/s. D) 100 cm/s. E) 12 cm/s.

If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s2, then how long would it take to reach 1% of the speed of light? Assume the speed of light = 3.0 *108 m/s.)

A) 1.8 days B) 3.5 days C) 8.6 h D) 1.5 days E) 7.1 days A) 1.8 days B) 3.5 days C) 8.6 h D) 1.5 days E) 7.1 days

Exam 2: Linear Motion

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s², how many times would the spaceship travel the distance between Earth and the sun ?

(Multiple Choice)

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Question 61

In which graph is the particle the closest to the origin at t = 5 s?

(Multiple Choice)

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Question 62

You drive for 30 min for 30 km east and then another 30 min for 40 km north. Your average speed for the entire trip is

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Question 63

The graph below shows position as a function of time for a swimmer competing in a 100-m race swimming twice the length of a 50.0 m pool). Which of the following statements regarding the motion is incorrect?

(Multiple Choice)

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Question 64

A racecar starts from rest and accelerates at a constant rate and reaches a speed of 160 km/h 100 mph) in 6.0 seconds. It continues at this speed for another 5 seconds. What is the car's average speed during the first 11 seconds?

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Question 65

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s² for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

(Multiple Choice)

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Question 66

A hammer and feather are dropped from the same height above the lunar surface. Which object hits the ground first?

(Multiple Choice)

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Question 67

An object moves along the horizontal axis as shown on the diagram. At which point or points is its acceleration zero?

(Multiple Choice)

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Question 68

Which graph of v versus t best describes the motion of a particle with negative velocity and negative acceleration?

(Multiple Choice)

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Question 69

The graph represents the position of a particle along the x axis as a function of time. Which point has the highest instantaneous velocity?

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Question 70

If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s², then how long would it take to reach 1% of the speed of light? Assume the speed of light = 3.0 *10⁸ m/s.)

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Question 71

Which of the graphs shows motion of a particle with constant acceleration for the entire 5 s?

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Question 72

A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 36.6 m. What is the ratio of the magnitudes of average acceleration over average deceleration? 1 mile = 1600 m)

(Multiple Choice)

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Question 73

On a graph that shows velocity on the vertical axis and time on the horizontal axis, zero acceleration is represented by

(Multiple Choice)

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Question 74

The graph represents the position of a particle along the x axis as a function of time. The interval in which the velocity of this particle is negative is

(Multiple Choice)

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Question 75

A sandbag is released from a rising air balloon and hits the ground 7.00 seconds later. From what height was the sandbag dropped from if at the moment of release the balloon was traveling upward at 3.00 m/s?

(Multiple Choice)

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Question 76

In which graph of v versus t does the particle end up closest to its starting point?

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Question 77

The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. The acceleration of the car between 10 s and 15 s is

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Question 78

On a graph that shows acceleration on the vertical axis and time on the horizontal axis, the area under the curve represents

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Question 79

A baseball is thrown vertically up to a height of 30 m on Earth. If the same ball is thrown up on the moon with the same initial speed, how much further will it travel up? Assume g_moon = g_earth/6)

(Multiple Choice)

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Question 80

Showing 61 - 80 of 84

Exam 2: Linear Motion

If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s2, how many times would the spaceship travel the distance between Earth and the sun ?

In which graph is the particle the closest to the origin at t = 5 s?

You drive for 30 min for 30 km east and then another 30 min for 40 km north. Your average speed for the entire trip is

The graph below shows position as a function of time for a swimmer competing in a 100-m race swimming twice the length of a 50.0 m pool). Which of the following statements regarding the motion is incorrect?

A racecar starts from rest and accelerates at a constant rate and reaches a speed of 160 km/h 100 mph) in 6.0 seconds. It continues at this speed for another 5 seconds. What is the car's average speed during the first 11 seconds?

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s2 for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

A hammer and feather are dropped from the same height above the lunar surface. Which object hits the ground first?

An object moves along the horizontal axis as shown on the diagram. At which point or points is its acceleration zero?

Which graph of v versus t best describes the motion of a particle with negative velocity and negative acceleration?

The graph represents the position of a particle along the x axis as a function of time. Which point has the highest instantaneous velocity?

If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s2, then how long would it take to reach 1% of the speed of light? Assume the speed of light = 3.0 *108 m/s.)

Which of the graphs shows motion of a particle with constant acceleration for the entire 5 s?

A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 36.6 m. What is the ratio of the magnitudes of average acceleration over average deceleration? 1 mile = 1600 m)

On a graph that shows velocity on the vertical axis and time on the horizontal axis, zero acceleration is represented by

The graph represents the position of a particle along the x axis as a function of time. The interval in which the velocity of this particle is negative is

A sandbag is released from a rising air balloon and hits the ground 7.00 seconds later. From what height was the sandbag dropped from if at the moment of release the balloon was traveling upward at 3.00 m/s?

In which graph of v versus t does the particle end up closest to its starting point?

The distance traveled by a car in the x-direction is shown. When the car changes speed for t = 10 s to 15 s, it does so uniformly. The acceleration of the car between 10 s and 15 s is

On a graph that shows acceleration on the vertical axis and time on the horizontal axis, the area under the curve represents

A baseball is thrown vertically up to a height of 30 m on Earth. If the same ball is thrown up on the moon with the same initial speed, how much further will it travel up? Assume gmoon = gearth/6)

Introduction to Physics

Motion in Two and Three Dimensions

Forces and Motion I: Newtons Laws

Forces and Motion II: Applications

Work and Energy

Momentum, Collisions, and the Center of Mass

Rotational Motion

Elastic Properties of Matter: Stress and Strain

Gravitation

Fluids

Oscillations

Waves

Thermodynamics I

Thermodynamics II

Electrostatics I: Electric Charge, Forces, and Fields

Electrostatics II: Electric Potential Energy and Electric Potential

Electric Charges in Motion

Magnetism

Electromagnetic Induction

Alternating-Current Circuits

Electromagnetic Waves

Wave Properties of Light

Geometrical Optics

Relativity

Quantum Physics and Atomic Structure

Nuclear Physics

Particle Physics

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If we assume that a spaceship could accelerate from rest up to 1% of the speed of light at a constant rate of 9.81 m/s², how many times would the spaceship travel the distance between Earth and the sun ?

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s² for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is

If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s², then how long would it take to reach 1% of the speed of light? Assume the speed of light = 3.0 *10⁸ m/s.)

A baseball is thrown vertically up to a height of 30 m on Earth. If the same ball is thrown up on the moon with the same initial speed, how much further will it travel up? Assume g_moon = g_earth/6)