AP (Advanced Placement) Physics(B-C): Questions 648 - 652 of 921

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Question number: 648

» Kinematics in One and Two Dimensions

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MCQ▾

Question

An object is freely fallen from a tall skyscraper from the ground. What is the approximate time taken by the object to hit the ground? (Assume that air resistance is negligible and )

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question number: 649

» Gravitation and Circular Motion

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MCQ▾

Question

A satellite with a mass is moving in a circular orbit around Earth at height from the surface of the Earth. The mass of the Earth is , and radius of the earth is . Which of the following is correct speed of the satellite in that circular orbit?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question number: 650

» Magnetic Field & Electromagnetism

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MCQ▾

Question

A proton enters in a uniform magnetic field of with velocity . What is the force acting on the particle?

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Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question number: 651

» Gravitation and Circular Motion

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MCQ▾

Question

Two bodies A and B have masses and , respectively. The distance between A and B is . What is the force of gravity between A and B?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 652

» Light & Optics

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MCQ▾

Question

A convex lens of focal length in contact with a concave lens of focal length . Which type of lens is made by combination of these two lenses and what is the focal length of combination of these two lenses?

Choices

Choice (5)Response

a.

Converging lens,

b.

Diverging lens,

c.

Converging lens,

d.

Diverging lens,

e.

None of the above

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