A body of mass 'm' is taken from the earth's surrace to the height equal to twice the radius (R) of the earth The change in potential energy of body will be (a) mgR (b) 3 mgR (c) mgR (d) mg2R A body of mass 'm' is taken from the earth's surrace to the height equal to twice the radius (R) of the ea...

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A First Course in General Relativity

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Authors: Bernard Schutz

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A First Course in General Relativity

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