AIPMT PRELIMS 2007 Physics Satellite Motion MCQ Question
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 statements is true?
The potential energies of earth satellites in the two cases are equal.
S₁ and S₂ are moving with the same speed.
The kinetic energies of the two satellites are equal.
The time period of S₁ is four times that of S₂.
Correct Answer
Detailed Explanation
In the same orbit, all satellites move with the same speed regardless of their mass, as speed depends on the gravitational force and orbital radius.
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