AP (Advanced Placement) Physics(B-C): Questions 739 - 741 of 921

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Question number: 739

» Electrostatics

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Question

A cube with a charge of comes into contact with another cube of identical size that has a charge of . The cubes are then separated. What are the charges on the cubes after they are separated?

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Choice (5)Response

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Question does not provide sufficient data or is vague

Question number: 740

» Linear Momentum

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Question

A car is experienced a force and change its velocity from to . Again it is experienced a force and change its velocity from to . If the time of applied force is same at both times, then what is the ratio of to ?

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Choice (5)Response

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None of the above

Question number: 741

» Gravitation and Circular Motion

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A satellite – rotates in a circular orbit around Earth at an altitude of twice the earth radius above the surface of the earth. The speed of the satellite – in this orbit is . Another satellite – of same mass is rotates around the Earth in circular orbit of radius six times the earth radius above the surface of the earth. If the speed of satellite – is , then which of the following is correct?

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Choice (5)Response

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b.

c.

d.

e.

Question does not provide sufficient data or is vague

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