AP (Advanced Placement) Physics(B-C): Questions 375 - 377 of 921

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Question number: 375

» Fluids & Solids

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MCQ▾

Question

An irregularly shaped piece of halite (salt) has a mass of . In order to find its volume without dissolving it, it is submerged in oil, which has a density of . The sample displaces of oil. What is the density of the sample?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question number: 376

» Fluids & Solids

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MCQ▾

Question

A certain pipe carries water at , delivering per minute. The water is then cooled to . How does the volume rate of flow compare, and what is the best explanation?

Choices

Choice (5)Response

a.

The flow rate will decrease, because the decrease in viscosity will decrease speed.

b.

The flow rate will decrease, because viscosity increases.

c.

The flow rate will stay the same, because rate of flow does not depend on temperature.

d.

The flow rate will increase, because viscosity increases when temperature is lower.

e.

Question does not provide sufficient data or is vague

Question number: 377

» Fluids & Solids

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MCQ▾

Question

A tank is tall and has a bottom area of . It is filled to a depth of with fresh water. Calculate the absolute pressure at the bottom of the tank.

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

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