# AP (Advanced Placement) Physics(B-C): Questions 385 - 388 of 920

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## Question number: 385

MCQ▾

### Question

During an inelastic collision, kinetic energy of the system is lost, because kinetic energy

### Choices

Choice (5) Response

a.

Cannot be conserved during any collision

b.

Must decrease as momentum increases

c.

Decreases whenever a force is applied to a system

d.

Is changed to other forms of energy

e.

Question does not provide sufficient data or is vague

## Question number: 386 (1 of 2 Based on Passage) Show Passage

MCQ▾

### Question

The graph plots displacement as a function of time for a mass oscillating on a spring. At what time (s) is the velocity of the oscillating mass equal to zero?

### Choices

Choice (5) Response

a.

and

b.

and

c.

and

d.

e.

All of the above

## Question number: 387 (2 of 2 Based on Passage) Show Passage

MCQ▾

### Question

The graph plots displacement as a function of time for a mass oscillating on a spring. At what time are the displacement and acceleration in opposite directions?

### Choices

Choice (5) Response

a.

b.

c.

d.

None of the above

e.

All of the above

## Question number: 388

MCQ▾

### Question

In the illustration, a magnet is dropped through a wire loop. Which of the following statements explain, what happens in the loop as the magnet enters the plane of the loop and as the magnet continues to drop through and below the loop.

### Choices

Choice (5) Response

a.

The current in the loop is first counterclockwise and then clockwise.

b.

The current in the loop is first clockwise and then counterclockwise.

c.

The current in the loop is clockwise (looking downward) the entire time.

d.

The current in the loop is counterclockwise (looking downward) the entire time.

e.

None of the above

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