Test Academy | The minimum energy required to launch a satellite of mass m from the surface of earth of radius R in a circular orbit at an altitude 2 R is (mass of earth is M) 5GmM/6R, 2GmM/3R, GmM/2R, GmM/3R

Question

The minimum energy required to launch a satellite of mass m from the surface of earth of radius R in a circular orbit at an altitude 2 R is (mass of earth is M)

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5GmM/6R
2GmM/3R
GmM/2R
GmM/3R

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