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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

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Verified by Experts

The correct Answer is:
6
`E_(1) = (-GMm)/(2(2R)) = -(GMM)/(4R)`
`E_(2) = (-GMm)/(2(3R))`
`Delta E = E_(2) - E_(1) = (-GMm)/(6R) -(-GMm)/(4R)`
`= (GMm)/(12R)`
So the value of n is 6.
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