A body of mass m is taken from the Earth's surface to a height equal to the radius R of the earth. If g is the acceleration to gravity at the surface of the Earth, then find the change in the potential energy of the body .......

A body of mass m is taken from the Earth's surface to a height equal t

1.	A body of mass m is taken from the Earth's surface to a height equal to the radius R of the earth. If g is the acceleration to gravity at the surface of the Earth, then find the change in the potential energy of the body .......
Answer» `1/4mgR` `1/2`MGR mgR 2mgR Solution :CHANGEIN P.E `= (-GMM)/(R+R) -(-(GMm)/R)=(GMm)/(2R) = 1/2 mgR`