Work, Energy and Power (AP (Advanced Placement) Physics(B-C)): Questions 1 - 4 of 76

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Question number: 1

» Work, Energy and Power

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Question

A ball that is dropped from a height of loses of its mechanical energy to thermal energy when it hits the floor. What is the kinetic energy of the ball just after it rebounds from the floor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 2

» Work, Energy and Power

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A car is moving at a constant speed of on a level, circular track with a radius of . How much work is done by the centripetal force on the car (in this case, the friction between the tires and the road) when the car makes one loop on the track?

Choices

Choice (5) Response

a.

No work is done by the centripetal force.

b.

c.

d.

e.

All of the above

Question number: 3

» Work, Energy and Power

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The graph shows data for amplitude as a function of time for an object with a mass of oscillating on a spring. At which of the following times is the spring potential energy at a maximum?

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Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 4

» Work, Energy and Power

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An arrow moving at is stopped by a target. If the arrow has a mass of and penetrates into the target, what is the force exerted by the arrow on the target?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above