AP (Advanced Placement) Physics(B-C): Questions 206 - 209 of 921

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Question 206

Question

MCQ▾

Air is moving horizontally from a wide pipe of diameter at a speed of to a narrow pipe of diameter . Assuming that the density of air is ; and neglecting change in density due to compression. What is the change in internal pressure of the air?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 207

Question

MCQ▾

In the illustration, a positive charge is placed at rest in the middle of a uniform magnetic field that is directed into the page, in the direction. What will be the direction of the subsequent motion of the charge?

A Uniform Magnetic Field

Choices

Choice (5)Response

a.

The charge will not move.

b.

The charge will move into the page, in the direction.

c.

The charge will move to the right, in the direction.

d.

The charge will move upward on the page, in the direction.

e.

None of the above

Question 208

Question

MCQ▾

In the laboratory, a cart moving to the right on a track at collides totally inelastically with a cart moving to the left at . Determine the loss to thermal energy during this collision.

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 209

Question

MCQ▾

An airplane is flying north with an airspeed of when it meets a crosswind of toward the east. Which of the following the resultant speed of the airplane?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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