what is the period of revolution of a satellite of mass M that orbits the Earth in a circular path of radius 7880km about 1500km above the surface of earth​

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.