AP (Advanced Placement) Physics(B-C): Questions 368 - 371 of 920

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Question number: 368

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

Two mechanical wave pulses are moving along the axis toward each other at the same speed. If the pulses are traveling at , at what time after the “snapshot” shown here will the waves superimpose to produce a wave of the greatest amplitude?

 Two mechanical wave pulses

Two Mechanical Wave Pulses

In figure two mechanical wave pulses are shown.

Choices

Choice (5) Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 369

» Fluids & Solids

MCQ▾

Question

Which of the following properties of real fluids are not found in “ideal fluids”?

Choices

Choice (5) Response

a.

Density and viscosity

b.

Surface tension and density

c.

Viscosity and surface tension

d.

Question does not provide sufficient data or is vague

e.

All of the above

Question number: 370

» Work, Energy and Power

MCQ▾

Question

An automobile with a mass of accelerates from a speed of to a speed of in a time period of . What is the increase in kinetic energy of the vehicle during this time period?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

Question number: 371

» Linear Momentum

MCQ▾

Question

The graph shows the force exerted on a tennis ball during a collision with a tennis racket.

 Graph of Force vs Time

Graph of Force vs Time

Figure shows graph of force vs time.

The shaded area between the plot line and the time axis represents:

Choices

Choice (5) Response

a.

the work done by the tennis ball on the racket when it hits the racket

b.

the change in velocity of the tennis ball when it hits the racket

c.

the change in momentum of the tennis ball when it hits the racket

d.

the acceleration of the tennis ball while it is in contact with the racket

e.

All of the above

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