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Answer:

Explanation:

in CIRCULAR MOTION gravitational force is equal to CENTRIPETAL force

\frac{Gm_{1}m_{2} }{R^{2} } = \frac{m_{1}v^{2} }{R}

so, v^{2} = \frac{Gm_{2} }{R}

KINECTIC energy = \frac{1}{2}m_{1}v^{2}

K.E. = \frac{Gm_{1}m_{2} }{2R}


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