AP (Advanced Placement) Physics(B-C): Questions 810 - 813 of 920

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Question number: 810

» Gravitation and Circular Motion

MCQ▾

Question

An object is placed on a turntable so that it just stays in place when the turntable is spinning. At this position, the object is from the center and is moving at constant speed. If the coefficient of friction between the turntable and object is , then what would be the speed object at this position?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 811

» Work, Energy and Power

MCQ▾

Question

A block of mass is attached to a spring with spring constant . In first case the spring is compressed from equilibrium position and in second case the spring is compressed from equilibrium position. What is the ratio of the potential energies of system of spring and block in first case to that in second case?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 812

» Atomic & Nuclear Physics

MCQ▾

Question

What is the momentum of a photon of frequency ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 813

» Atomic & Nuclear Physics

MCQ▾

Question

If an nuclear reaction, radiates number of alpha particles and produced , then what is the value of ?

Choices

Choice (5) Response

a.

6

b.

2

c.

3

d.

4

e.

All of the above

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