Two Earth satellites, A and B, each of mass m = 880 kg , are launched into circular orbits around the Earth's center. Satellite A orbits at an altitude of 4400 km , and satellite B orbits at an altitude of 13600 km Part A What are the potential energies of the two satellites?

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Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.