# AP (Advanced Placement) Physics(B-C): Questions 391 - 394 of 921

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## Question number: 391

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MCQ▾

### Question

A rigid container of an ideal gas is heated so that the absolute temperature of the gas doubles while the volume remains constant. The molecules of the gas;

### Choices

Choice (5)Response

a.

Must give off energy, since they cannot expand

b.

Increase in pressure, so they do more work on the walls of the container

c.

Have twice as much internal energy

d.

Have twice the average speed as before

e.

All of the above

## Question number: 392

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MCQ▾

### Question

In the diagram, four resistors are connected in a circuit. What is the equivalent resistance of the four resistors?

### Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

## Question number: 393

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MCQ▾

### Question

In the illustration, ball , rolling on a level, frictionless table, strikes an identical stationary ball 2, which takes the path shown in the illustration after the collision. If P, Q, R and S are the possible position of the ball 1 after collision, then which one of them would be the correct possible position of ball 1 after the collision?

### Choices

Choice (5)Response

a.

P

b.

R

c.

S

d.

Q

e.

None of the above

## Question number: 394

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MCQ▾

### Question

A flexible plastic ruler on the top of a table is flexed horizontally a distance of , and a rock is placed against it. When the ruler is released and the rock is propelled off the edge of the table, it is determined that the rock has a speed of . Determine the elastic constant , of the ruler.

### Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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