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A body of mass m rises to height h =R/5 ...

A body of mass m rises to height h =R/5 from the earth's surface where R is earth's radius.If g is acceleration due to gravity at earth's surface the increase in potential energy is

A

mgh

B

4/5 mgh

C

5/6 mgh

D

6/7 mgh

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The correct Answer is:
C
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