A satellite of mass 750kg is changed from an orbital radius of 7000 km to a geostationary orbit of 4.2*10^4 km. Calculate the change in its gravitational potential energy.
The answer is 3.7* 10^8 but I have no idea how to get this.Please help.
The answer is 3.7* 10^8 but I have no idea how to get this.Please help.