AP (Advanced Placement) Physics(B-C): Questions 826 - 830 of 921

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Question number: 826

» Thermodynamics

MCQ▾

Question

If of work are done on 2 mole monoatomic gas and the gas does no work and no heat is added or taken away from the gas, then change in temperature is:

Choices

Choice (5) Response

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b.

c.

d.

e.

None of the above

Question number: 827

» Magnetic Field & Electromagnetism

MCQ▾

Question

Value of is:

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Choice (5) Response

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b.

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All of the above

Question number: 828

» Force and Newton's Law of Motion

MCQ▾

Question

The mass of a hypothetical planet is three times the mass of earth, and its radius is twice the radius of earth. If an object weight on the surface of earth, how much would it weight on the surface of the hypothetical planet?

Choices

Choice (5) Response

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b.

c.

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e.

All of the above

Question number: 829

» Fluids & Solids

MCQ▾

Question

The speed of air moving over the top of a thin airfoil, such as an airplane wing, is , and the speed of air moving under the airfoil is . If the area of surface is approximately , what is the lift force on the airfoil due to the moving air?

(Assume the density of air is . )

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Choice (5) Response

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e.

Question does not provide sufficient data or is vague

Question number: 830

» Electric Circuits

MCQ▾

Question

Circuit diagram of two resistors and a capacitor

Circuit Diagram of Two Resistors and a Capacitor

In figure, circuit diagram of two resistors and a capacitor is shown.

In circuit diagram, two identical resistor of resistance , a capacitor, and a battery with a potential difference of are connected. When the switch is closed, the capacitor is charged for a very long time. What is the potential difference across the plates of the capacitor?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above

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