AP (Advanced Placement) Physics(B-C): Questions 93 - 96 of 920

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Question number: 93

» Torque and Equilibrium

MCQ▾

Question

An object is attached to one end of vertical spring and other end of the spring is attached at rigid wall. If object set into oscillation, the system is in equilibrium:

Choices

Choice (5) Response

a.

When it is moving at its greatest speed

b.

When its displacement is maximum

c.

When its instantaneous acceleration is maximum

d.

At its amplitude, when the instantaneous velocity is zero

e.

All of the above

Question number: 94

» Gravitation and Circular Motion

MCQ▾

Question

A nickel is placed on a turntable at a distance from the center. When the turntable is set on revolutions per minute, the nickel makes one revolution per second. What is the speed at which the nickel is moving in the circular path?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 95

» Gravitation and Circular Motion

MCQ▾

Question

An object is moves in circular path of radius , with constant speed ; then centripetal acceleration is . If for same object the radius of circular path and constant speed are and and new centripetal acceleration is , then which of the following is true?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 96

» Electrostatics

MCQ▾

Question

The figure shows three charged particles placed in position along a line. What is the net electrostatic force on the particle of charge due to the other two charges?

Let

Three charges placed linearly

Three Charges Placed Linearly

In figure, three charges are placed linearly.

Choices

Choice (5) Response

a.

to the right

b.

to the left

c.

to the left

d.

to the right

e.

All of the above

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