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A body of mass m is thrown from a equal ...

A body of mass m is thrown from a equal to radius of earth (R) from earth's surface. The change in potential energy when it reaches to a height equal to 2R from earth's surface is

A

`1/6 mgR`

B

`2/3 mgR`

C

`5/6 mgR`

D

`3/2 mgR`

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