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Question


A body of mass m is situated at a distance 4Re above the earth's surface, where Re is the radius of the earth. How much minimum energy should be given to the body so that it may escape?


A
mgRe
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B
2 mgRe
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C
mgRe5
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D
mgRe16
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Solution

The correct option is C mgRe5
mgRe/5

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