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If g is the acceleration due to gravity ...

If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is

A

`2mgR`

B

`mgR`

C

`mgR//4`

D

`mgR//2`

Text Solution

Verified by Experts

The correct Answer is:
D
`P.E.=-GMm(1/(R_(1))-1/(R_(2)))`
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