Find the workdone to move an earth satel...

Find the workdone to move an earth satellite of mass m from a circular orbit of radius 2R to one of radius 3R.

GMm/12R

GMm/3R

GMm/8R

GMm/6R

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Verified by Experts

The correct Answer is:

`TE=-(GMm)/(2r)`
`=(-GMm)/(2(3R))-((-GMm)/(2(2R)))=(GMm)/(12R)`

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