Two satellites of earth, S1 and S2, are moving in the same orbit. The mass of S1 is four times the mass of S2. Which one of the following statement is true

Options :
  1. the time period of S1 is four times that of S2
  2. the potential energies of earth and satellite in the two cases are equal
  3. S1 and S2 are moving with the same speed
  4. the kinetic energies of the two satellites are equal
Answer and Explanation :-

Answer: Option 3


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