AP (Advanced Placement) Physics(B-C): Questions 310 - 312 of 921

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Question 310

Question

MCQ▾

Which of the following could be the plot of Kinetic Energy as a Function of Height above the Ground for an object thrown horizontally from the top of a building?

Choices

Choice (5)Response

a.

Kinetic Energy as a Function of Height: Choice A

b.

Kinetic Energy as a Function of Height: Choice B

c.

Kinetic Energy as a Function of Height: Choice C

d.

Kinetic Energy as a Function of Height: Choice D

e.

Question does not provide sufficient data or is vague

Question 311

Question

MCQ▾

An experiment is set up with motion sensor at one end of an air track and motion sensor at the other end. Chart shows Velocity as a Function of Time for cart , which has a mass of and moves away from sensor , and chart shows Velocity as a Function of Time for cart , which also has a mass of and moves away from sensor and toward cart . What is the force exerted by the carts on each other?

Two Charts, Showing Velocity as a Function of Time

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 312

Question

MCQ▾

Which of the following statements is always true for inelastic collisions, assuming there is no external force applied in the direction of motion?

Choices

Choice (5)Response

a.

Momentum is conserved, but kinetic energy is not conserved.

b.

Momentum and kinetic energy are conserved.

c.

Energy is not conserved, but the objects exchange velocities during the collision.

d.

Kinetic energy is conserved, but momentum is not conserved.

e.

None of the above

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