If a body of mass m is taken out from a point below the surface of earth equal to half the radius of earth, R, to a height R above the earths surface, then work done on it will be_____mgr

If a body of mass m is taken out from a point below the surface of ear

1.	If a body of mass m is taken out from a point below the surface of earth equal to half the radius of earth, R, to a height R above the earths surface, then work done on it will be_____mgr
Answer» 5/6 6/7 7/8 8/9 Answer :C