AP (Advanced Placement) Physics(B-C): Questions 89 - 92 of 921

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Question 89

Question

MCQ▾

Assume that the sun՚s mass is about the mass of Earth and radius of sun is about radius of Earth. If the gravitational force acting on an object near the surface of sun, times the gravitational force on the same object near surface of Earth; then what is the value of ?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question 90

Question

MCQ▾

The force diagram defines the forces on a box sliding at constant speed down an inclined surface. Which of the following correctly expresses the coefficient of kinetic friction between the two surfaces?

A Box Sliding on Inclined Ramp with Constant Speed

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 91

Question

MCQ▾

The path of motion of an object will be parabolic if it undergoes:

Choices

Choice (5)Response

a.

Constant acceleration in two dimensions

b.

Constant velocity in two dimensions

c.

Increasing acceleration in 1 dimension

d.

Constant acceleration in 1 dimension and constant velocity in a second dimension

e.

None of the above

Question 92

Question

MCQ▾

A hypothetical planet has a mass half that of Earth and a radius twice that of Earth. If the gravitational acceleration is at the surface of earth, then what is the gravitational acceleration at hypothetical planet?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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