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 \[{{S}_{2}}\]
Correct Answer: B
Solution :
Since orbital velocity of satellite is\[{{V}_{0}}=\sqrt{\frac{GM}{r},}\]it does not depend upon the mass of the satellite. Therefore, both satellites will move with same speed.
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