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Standard X

Chemistry

Law of Conservation of Energy

A body of mas...

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?

mgRe

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2 mgRe

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mgRe5

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mgRe16

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Solution

The correct option is C mgRe5
mgRe/5

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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?

The correct option is C mgRe5mgRe/5

The correct option is C mgRe5
mgRe/5