AP (Advanced Placement) Physics(B-C): Questions 768 - 771 of 920

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Question number: 768

» Work, Energy and Power

MCQ▾

Question

 Two masses hanging on a pulley

Two Masses Hanging on a Pulley

In figure two masses hanging on a pulley.

In above figure, two cylinders of unequal masses , are suspended by a massless string over a fixed massless pulley. When system released, the larger cylinder moves downward a distance of . What is the change in the gravitational potential energy of smaller cylinder with respect to earth, after system released? (take )

Choices

Choice (5) Response

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b.

c.

d.

e.

None of the above

Question number: 769

» Atomic & Nuclear Physics

MCQ▾

Question

Determine the wavelength for an electron in the Bohr model of the hydrogen atom, if the electron is in energy state with an energy .

Choices

Choice (5) Response

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b.

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e.

All of the above

Question number: 770

» Kinematics in One and Two Dimensions

MCQ▾

Question

If quantity is measured in newton, quantity is measured in second per meter and quantity is measured in kilogram per meter, determine the units on the calculated quantity .

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Choice (5) Response

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b.

c.

d.

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All of the above

Question number: 771

» Linear Momentum

MCQ▾

Question

A baseball is thrown toward a target at a speed and exerts a force on the target when it collides with it. What is the magnitude of force exerted on the target if the speed of the baseball is on the second throw (assuming an elastic collision with the target)?

Choices

Choice (5) Response

a.

b.

c.

d.

e.

None of the above

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