At a point above the surface of earth, the gravitational potential is -5.12xx10^7Jkg^-1 and accelaration due to gravity, is 6.4ms^-2. Calculate the height of the point above earth's surface.

At a point above the surface of earth, the gravitational potential is

1.	At a point above the surface of earth, the gravitational potential is -5.12xx10^7Jkg^-1 and accelaration due to gravity, is 6.4ms^-2. Calculate the height of the point above earth's surface.
Answer» infinite 2mgR 1/2 mgR mgR Answer :D