What is the work done in shifting a body of mass `m=5okg` slowly from the earth's surface to infinity?

If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body ofmass m from the earth's surface to a height R equal to the radius of the earth is

If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body ofmass m from the earth's surface to a height R equal to the radius of the earth is

If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body ofmass m from the earth's surface to a height R equal to the radius of the earth is

If the acceleration due to gravity at the surface of the earth is g, the work done is slowly lifting a body of mass in from the earth's surface to a height R equal to the radius of the earth is

Find work done in shifting a body of mass m from a height h above the earth's surface to a height 2h above the earth's surface..

Find work done in shifting a body of mass m from a height h above the earth's surface to a height 2h above the earth's surface.

The kinetic energy needed to project a body of mass m from the earth's surface to infinity is

The kinetic energy needed to project a body of mass m from the earth's surface to infinity is