Test Academy | A body of mass m is situated at a distance 4 Rₑ above the earth’s surface, where Rₑ is the radius of earth. How much minimum energy be given to the body so that it may escape mg Rₑ, 2mg Rₑ, mgRₑ/5, mgRₑ/16

Question

A body of mass m is situated at a distance 4 Rₑ above the earth’s surface, where Rₑ is the radius of earth. How much minimum energy be given to the body so that it may escape

Options :

mg Rₑ
2mg Rₑ
mgRₑ/5
mgRₑ/16

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