The velocity of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - (6.2 m/s3)t2. What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?

A) -13 m/s2 B) -15 m/s2 C) 13 m/s2 D) 15 m/s2 E) 0 m/s2 A) -13 m/s2 B) -15 m/s2 C) 13 m/s2 D) 15 m/s2 E) 0 m/s2

A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?

A) 10.2 m/s B) 14.5 m/s C) 105 m/s D) 210 m/s E) 315 m/s A) 10.2 m/s B) 14.5 m/s C) 105 m/s D) 210 m/s E) 315 m/s

Exam 2: One-Dimensional Kinematics

You drop a stone from a bridge to the river below. After this stone has traveled a distance d, you drop a second stone. The distance between the two stones will always

(Multiple Choice)

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Question 41

Car A is traveling at twice the speed of car B. They both hit the brakes at the same time and undergo identical decelerations. How does the time required for car A to stop compare with that for car B?

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Question 42

Which statement is correct about the relationship between the instantaneous speed and the magnitude of the instantaneous velocity?

(Multiple Choice)

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Question 43

FIGURE 2-4 -Figure 2-4 represents the velocity of a particle as it travels along the x-axis. In what direction is the acceleration at t = 3.0 s?

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Question 44

Suppose that an object is moving with a constant velocity. Make a statement concerning its acceleration.

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Question 45

The velocity of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s²)t - (6.2 m/s³)t². What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?

(Multiple Choice)

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Question 46

An object is moving with constant non-zero acceleration in the +x-axis. The position versus time graph of this object is

(Multiple Choice)

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Question 47

A stone is thrown straight up. When it reaches its highest point,

(Multiple Choice)

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Question 48

A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m. He completes one lap in 2.0 minutes. What is his average speed?

(Multiple Choice)

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Question 49

The slope of a tangent line at a given time value on a position versus time graph gives

(Multiple Choice)

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Question 50

FIGURE 2-10 -Figure 2-10 shows the velocity-versus-time graph for a basketball player traveling up and down the court in a straight-line path. Find the total distance run by the player in the 10 s shown in the graph.

(Multiple Choice)

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Question 51

The slope of a line connecting two points on a velocity versus time graph gives

(Multiple Choice)

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Question 52

An object is in free fall as soon as it is released, whether it is dropped from rest, thrown downward, or thrown upward.

(True/False)

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Question 53

To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the time is 2.3 s, what is the height of the bridge?

(Multiple Choice)

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Question 54

Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when the driver of car A accelerates his car with an acceleration of 2.40 m/s². How long does it take car A to overtake car B?

(Multiple Choice)

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Question 55

FIGURE 2-10 -Figure 2-10 shows the velocity-versus-time graph for a basketball player traveling up and down the court in a straight-line path. Find the net displacement of the player for the 10 s shown on the graph.

(Multiple Choice)

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Question 56

A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s². If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?

(Multiple Choice)

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Question 57

Arthur and Betty start walking toward each other when they are 100 m apart. Arthur has a speed of 3.0 m/s and Betty has a speed of 2.0 m/s. Their dog, Spot, starts by Arthur's side at the same time and runs back and forth between them at 5.0 m/s. By the time Arthur and Betty meet, what distance has Spot run?

(Short Answer)

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Question 58

A car is traveling at 30.0 m/s when the driver suddenly applies the brakes, giving the car a constant deceleration. The car comes to a stop in a distance of 120.0 m. What was the deceleration of the car?

(Multiple Choice)

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Question 59

FIGURE 2-8 -Figure 2-8 represents the position of a particle as it travels along the x-axis. At what value of t is the speed of the particle equal to zero?

(Multiple Choice)

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Question 60

Showing 41 - 60 of 112

Exam 2: One-Dimensional Kinematics

You drop a stone from a bridge to the river below. After this stone has traveled a distance d, you drop a second stone. The distance between the two stones will always

Car A is traveling at twice the speed of car B. They both hit the brakes at the same time and undergo identical decelerations. How does the time required for car A to stop compare with that for car B?

Which statement is correct about the relationship between the instantaneous speed and the magnitude of the instantaneous velocity?

FIGURE 2-4 -Figure 2-4 represents the velocity of a particle as it travels along the x-axis. In what direction is the acceleration at t = 3.0 s?

Suppose that an object is moving with a constant velocity. Make a statement concerning its acceleration.

The velocity of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - (6.2 m/s3)t2. What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?

An object is moving with constant non-zero acceleration in the +x-axis. The position versus time graph of this object is

A stone is thrown straight up. When it reaches its highest point,

A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m. He completes one lap in 2.0 minutes. What is his average speed?

The slope of a tangent line at a given time value on a position versus time graph gives

FIGURE 2-10 -Figure 2-10 shows the velocity-versus-time graph for a basketball player traveling up and down the court in a straight-line path. Find the total distance run by the player in the 10 s shown in the graph.

The slope of a line connecting two points on a velocity versus time graph gives

An object is in free fall as soon as it is released, whether it is dropped from rest, thrown downward, or thrown upward.

To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the time is 2.3 s, what is the height of the bridge?

Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when the driver of car A accelerates his car with an acceleration of 2.40 m/s2. How long does it take car A to overtake car B?

FIGURE 2-10 -Figure 2-10 shows the velocity-versus-time graph for a basketball player traveling up and down the court in a straight-line path. Find the net displacement of the player for the 10 s shown on the graph.

A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s2. If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?

A car is traveling at 30.0 m/s when the driver suddenly applies the brakes, giving the car a constant deceleration. The car comes to a stop in a distance of 120.0 m. What was the deceleration of the car?

FIGURE 2-8 -Figure 2-8 represents the position of a particle as it travels along the x-axis. At what value of t is the speed of the particle equal to zero?

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The velocity of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s²)t - (6.2 m/s³)t². What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?

Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when the driver of car A accelerates his car with an acceleration of 2.40 m/s². How long does it take car A to overtake car B?

A car is traveling with a constant speed when the driver suddenly applies the brakes, giving the car a deceleration of 3.50 m/s². If the car comes to a stop in a distance of 30.0 m, what was the car's original speed?