AP (Advanced Placement) Physics(B-C): Questions 372 - 374 of 920

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Question number: 372

» Linear Momentum

MCQ▾

Question

An object has a mass of quantity and a momentum of quantity . If the momentum of the object doubles, its kinetic energy is:

Choices

Choice (5) Response

a.

Half as much

b.

The same

c.

Four times as much

d.

Twice as much

e.

Question does not provide sufficient data or is vague

Question number: 373

» Magnetic Field & Electromagnetism

MCQ▾

Question

In the illustration, two parallel wires carry currents and In which of the three regions could the net magnetic field due to the wires be equal to zero?

Two wires carry current

Two Wires Carry Current

In figure, two wires carry current are shown.

Choices

Choice (5) Response

a.

Region 1

b.

Region 2

c.

Region 3

d.

Region 1 and Region 3

e.

Question does not provide sufficient data or is vague

Question number: 374

» Thermodynamics

MCQ▾

Question

At room temperature, a brass ball has the same diameter as the inside opening of a brass ring, so the ball just barely fits through the ring. What happens if the ball and ring are heated together to a much higher temperature?

Choices

Choice (5) Response

a.

The ball’s diameter remains constant while the inside diameter of the ring increases.

b.

The ball gets larger while the inside diameter of the ring gets smaller.

c.

The ball gets larger while the inside diameter of the ring gets larger.

d.

The ball gets larger while the inside diameter of the ring remains constant.

e.

None of the above

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