AP (Advanced Placement) Physics(B-C): Questions 781 - 785 of 920

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Question number: 781

» Linear Momentum

MCQ▾

Question

A sphere of mass is moving at on a level track when it strikes and connects to a stationary sphere of the mass . What is the final speed of the connected spheres?

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Choice (5) Response

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None of the above

Question number: 782

» Torque and Equilibrium

MCQ▾

Question

Two objects of masses and are hanged by massless cord at the each ends of a meter scale. The mass is at , and mass is at . If the scale is balanced horizontally on pivot, then pivot is at:

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Choice (5) Response

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All of the above

Question number: 783

» Light & Optics

MCQ▾

Question

A light beam is traveling from air to an optical medium of index of refraction . The speed of light in this optical medium is,

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Choice (5) Response

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All of the above

Question number: 784

» Periodic Motion, Mechanical Waves & Sound

MCQ▾

Question

A speaker is far from the listener, the intensity of the sound is . When the speaker moves more far from the listener, the intensity of the sound is:

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Choice (5) Response

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None of the above

Question number: 785

» Work, Energy and Power

MCQ▾

Question

The graph of the applied force vs spring extension

The Graph of the Applied Force vs Spring Extension

In figure the graph of the applied force vs spring extension is shown.

Here, graph of the applied force on spring vs the spring extension is given. How much the work is done on the spring by the applied force in extending the spring a distance of ?

Choices

Choice (5) Response

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All of the above

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