1.

Two satellites of earth, \[{{S}_{1}}\], and \[{{S}_{2}}\] are moving in the same orbit. The mass of \[{{S}_{1}}\] is four times the mass of \[{{S}_{2}}\].Which one of the following statements is true?

A. The potential energies of earth satellites in the two cases are equal.
B. \[{{S}_{1}}\] and \[{{S}_{2}}\] are moving with the same speed.
C. The kinetic energy of the two satellites are equal.
D. The time period of \[{{S}_{1}}\] is four times that of \[{{S}_{2}}\]
Answer» C. The kinetic energy of the two satellites are equal.


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