AP (Advanced Placement) Physics(B-C): Questions 831 - 834 of 920

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Question number: 831

» Gravitation and Circular Motion

MCQ▾

Question

An airplane pilot makes a vertical loop with a radius. Determine the normal force acting upon the pilot’s body at the top of the loop if his air speed is .

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 832

» Thermodynamics

MCQ▾

Question

A rod of length is made of a material that has a coefficient of linear expansion of . If the rod is heated from to , by what percentage does the length of one centimeter on the rod increase?

Choices

Choice (5) Response

a.

b.

Between and

c.

d.

Between and

e.

All of the above

Question number: 833

» Force and Newton's Law of Motion

MCQ▾

Question

A block of mass is sliding on an inclined surface with constant velocity. The angle between inclined surface and horizontal surface is . Which of the following gives the correct, coefficient of kinetic friction of inclined surface?

Choices

Choice (5) Response

a.

b.

1

c.

d.

e.

None of the above

Question number: 834

» Magnetic Field & Electromagnetism

MCQ▾

Question

Length of a pair of conducting wires is . They carrying direct current of and spaced apart. The magnitude of force between these wires is:

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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