AP (Advanced Placement) Physics(B-C): Questions 647 - 650 of 920

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Question number: 647

» Torque and Equilibrium

MCQ▾

Question

A bicycle rider of mass of exerted all his weight on pedal. If the distance between bicycle pedal and its axle is about , then what is the approximate torque applied at the point where the pedal is farthest forward and horizontal?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 648

» Kinematics in One and Two Dimensions

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.

None of the above

Question number: 649

» Gravitation and Circular Motion

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.

Question does not provide sufficient data or is vague

Question number: 650

» Magnetic Field & Electromagnetism

MCQ▾

Question

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

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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