AP (Advanced Placement) Physics(B-C): Questions 918 - 920 of 920

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Question number: 918

» Gravitation and Circular Motion

MCQ▾

Question

What is speed must you drive your car across the crest of a hill of radius in order to feel weight less?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 919

» Force and Newton's Law of Motion

MCQ▾

Question

Two different masses: and are held at each end of a weightless string which is then strung through the pulley system, as shown in following figure.

Atwood’s device (two masses with a pulley)

Atwood’S Device (Two Masses with a Pulley)

In figure, Atwood’s device (two different masses hanged through a fixed pulley) is shown.

As both masses released from equilibrium position; both experience accelerations of equal magnitude but opposite direction. Which of the following is correct approximate value of acceleration?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 920

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

A body of mass is attached to a spring that hangs from ceiling. The spring is oscillate with time period . Now, another body replaces the body of mass , so the time period of oscillation of spring becomes . What is the mass of body, that replaces the body of mass ?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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