A 859 kg geosynchronous satellite orbits a planet similar to Earth at a radius 1.94 × 10^5 km from the planet's center. Its angular speed at this radius is the same as the rotational speed of the Earth, and so they appear stationary in the sky. That is, the period
of the satellite is 24 h.
a) What is the force acting on this satellite?
b) What is the mass of this planet?