AP (Advanced Placement) Physics(B-C): Questions 516 - 519 of 921

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Question number: 516

» Thermodynamics

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MCQ▾

Question

The outside of a room temperature is , and inside of the room temperature is . Assume that the heat is transferred only through a window glass of thermal conductivity . The area of the window is and thickness of glass is . What is the heat transfer rate, through window glass?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question number: 517

» Gravitation and Circular Motion

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MCQ▾

Question

A car of mass is traveling on a level roadway. What is the minimum coefficient of friction required to keep car on a turn with radius of ?

Choices

Choice (5)Response

a.

3.8

b.

2.4

c.

6.6

d.

0.10

e.

All of the above

Question number: 518

» Force and Newton's Law of Motion

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MCQ▾

Question

A net force of is applied for to an object with a mass of , will change the speed of the object:

Choices

Choice (5)Response

a.

From rest to

b.

From to

c.

From to

d.

From to

e.

None of the above

Question number: 519

» Atomic & Nuclear Physics

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MCQ▾

Question

In the Bohr model of the hydrogen atom, the electron is confined to specific energy states. If is the quantum number for a particular energy level, is the electron wavelength associated with that energy level, and is the radius for the specified energy level, then which of the following equations must be correct?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

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