AP (Advanced Placement) Physics(B-C): Questions 547 - 550 of 921

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Question number: 547

» Fluids & Solids

MCQ▾

Question

A rock is tied to a spring scale and lowered into water in a graduated cylinder so that the rock is submerged and the spring scale reads . When the rock goes under water, the water level in the cylinder rises from the mark to the mark. What is the mass of the rock?

( of water)

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 548

» Electrostatics

MCQ▾

Question

An electric field exists such that its components in the and directions are zero, but the component to the direction is uniform . A proton moves from the origin to the position . Determine the change in electric potential.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 549

» Force and Newton's Law of Motion

MCQ▾

Question

An object of weight is pulled across a level floor with a constant horizontal force of , so that it accelerates uniformly at . How much friction force would exerted by the floor on the object?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

Question number: 550

» Gravitation and Circular Motion

MCQ▾

Question

In the diagram, a hollow cone is spinning horizontally on its tip and a small object of mass inside the cone takes a circular path without sliding down the interior of the cone. If the force exerted on the object by the surface of the cone is , then calculate the centripetal force exerted on the object.

 A hollow cone is spinning

A Hollow Cone is Spinning

Figure shows, a hollow cone is spinning horizontally on it tip.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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