AP (Advanced Placement) Physics(B-C): Questions 248 - 252 of 921

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Question 248

Question

MCQ▾

When two moving objects of equal mass collide head-on and elastically, they will:

Choices

Choice (5)Response

a.

Each has the same velocity after the collision as before the collision

b.

Simultaneously come to a stop

c.

Move off at right angles to each other after the collision

d.

Exchange velocities during the collision

e.

Question does not provide sufficient data or is vague

Question 249

Question

MCQ▾

In the circuit diagram, what is the total power output of the battery in the circuit?

Circuit Consists of Combination of Four Resistors

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 250

Question

MCQ▾

Which of the following actions would NOT be effective in reducing surface tension in water?

Choices

Choice (5)Response

a.

Heating

b.

Adding an inorganic salt

c.

Adding sugar

d.

Adding a surfactant

e.

All of the above

Question 251

Question

MCQ▾

A ball floats below the surface when placed in water and below the surface when placed in a second liquid. The density of water is . Which of the following most closely approximates the density of the second liquid?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 252

Question

MCQ▾

Let a speaker is at distance far from the listener, then intensity of sound at listener is . If speaker moves far from listener, then intensity becomes:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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