AP (Advanced Placement) Physics(B-C): Questions 634 - 638 of 920

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Question number: 634

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

If the sound level in a room increases from decibels to decibels, then the intensity of sound increases from to . What is the value of ?

Choices

Choice (5) Response

a.

2

b.

20

c.

d.

e.

None of the above

Question number: 635

» Electric Circuits

MCQ▾

Question

The energy stored in charged capacitor of capacitance , is . What is the potential difference of capacitor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 636

» Linear Momentum

MCQ▾

Question

An object of mass of moving north at collides totally inelastically with an object of mass of that is moving west at . What is the result of this collision?

Choices

Choice (5) Response

a.

A object moves southeast at about .

b.

A object moves south at and a object moves east at .

c.

A object moves southeast at .

d.

A object moves northwest at about .

e.

None of the above

Question number: 637

» Electrostatics

MCQ▾

Question

What is the potential energy of a charge when it is placed at a distance of from another charge?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 638

» Torque and Equilibrium

MCQ▾

Question

The distance of a bicycle pedal from its axle is about . If a bicycle rider with a mass of exerts all of his weight on the pedal, what is the approximate torque applied at the point where the pedal is farthest forward and horizontal?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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