Question

Two satellites of earth S1 and S2 are moving in the same orbit. The mass of S1 is four times S2. Which one of the following statements is true? (1.) The potential energies of earth and satellite in the two cases are equal (2.) S1 and S2are moving with the same speed (3.) The kinetic energies of the two satellites are equal (4.) The time period of S1 is four times that of S2

Answer 1