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Energy required to move a body of mass m...

Energy required to move a body of mass m from an orbit of radius 2R to 3R is

A

GMm/12R

B

GMm/3R

C

GMm/8R

D

GMm/6R

Text Solution

Verified by Experts

The correct Answer is:
A
`TE=-(GMm)/(2r)`
`=(-GMm)/(2(3R))-((-GMm)/(2(2R)))=(GMm)/(12R)`
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