AP (Advanced Placement) Physics(B-C): Questions 80 - 84 of 921

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Question number: 80

» Force and Newton's Law of Motion

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MCQ▾

Question

How much energy is stored in a spring when it is compressed by an external force m from its rest position?

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Choice (5)Response

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b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 81

» Kinematics in One and Two Dimensions

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Question

A car starts its journey from rest point , with constant acceleration and reached at in . If after next 6 seconds, car reached at point ; then:

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Choice (5)Response

a.

b.

c.

d.

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None of the above

Question number: 82

» Kinematics in One and Two Dimensions

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MCQ▾

Question

Two perpendicular forces, a force directed due north and a force directed due east, are exerted simultaneously on an object whose mass is . What is the magnitude of the resultant acceleration of the object in ?

Choices

Choice (5)Response

a.

0.70

b.

155

c.

3.5

d.

1.4

e.

None of the above

Question number: 83

» Gravitation and Circular Motion

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MCQ▾

Question

The weight of an object on the surface of Earth is . The radius of Earth is approximately . What would be the weight of the object if it were located above Earth’s surface?

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Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 84

» Kinematics in One and Two Dimensions

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MCQ▾

Question

A baseball is hit so that it rises almost vertically into the air. An observer counts a total time of from the time the ball is hit until it reaches the level of the baseball bat again. What is the best estimate of the velocity of the ball as it left the baseball bat?

Choices

Choice (5)Response

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b.

c.

d.

e.

None of the above

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