AP (Advanced Placement) Physics(B-C): Questions 269 - 271 of 921

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Question number: 269

» Fluids & Solids

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MCQ▾

Question

In which of the following situations is blood flow in a vessel most likely to become turbulent?

Choices

Choice (5)Response

a.

The blood flows from a vessel of large diameter to a vessel of smaller diameter.

b.

The blood becomes more viscous.

c.

The blood flows from a vessel of small diameter to a vessel of larger diameter.

d.

The blood becomes less dense due to hydration.

e.

All of the above

Question number: 270

» Work, Energy and Power

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MCQ▾

Question

The graph shows data for amplitude as a function of time for an object with a mass of oscillating on a spring. During which of the following time intervals does the spring do the largest magnitude of net work done on the object attached to it?

Graph of Amplitude as a function of time

Graph of Amplitude as a Function of Time

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 271

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

Ultrasonic sound waves can be transmitted into and reflected from different media, such as human tissue, to identify the structure, based on how strongly the transmitted sound amplitude decreases as a function of distance and frequency. Which of the following is the constant that quantifies this decrease in amplitude in a given material?

Choices

Choice (5)Response

a.

The elastic constant

b.

The coefficient of restitution

c.

The attenuation coefficient

d.

The coefficient of linear expansion

e.

All of the above

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