What is the gravitational potential energy of the earth and a satellite of mass `m=100kg` orbiting close to the earth's surface ?

if a satellite orbits as close to the earth's surface as possible.

If a satellite orbits as close to the earth's surface as possible,

If a satellite orbits as close to the earth's surface as possible,

if a satellite orbits as close to the earth's surface as possible.

if a satellite orbits as close to the earth's surface as possible.

Find the gravitational potential energy of a body of mass 10 kg when it is at a height of 6400 km from the earth's surface. [Given : mass of the earth and radius of the earth.]

Find the gravitational potential energy of a body of mass 10 kg when it is at a height of 6400 km from the earth's surface. [M (earth) = 6xx 10^24 kg, R(earth) =6400 km]

Find the gravitational potential energy of a body of mass 200 kg on the earth's surface.