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Two satellites of earth, S(1) and S(2) a...

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 of the following statements is true?

A

The potential energies of earth and satellite in the two cases are equal.

B

`S_(1) and S_(2)` are moving with same speed.

C

The kinetic energies of two satellites are equal.

D

The time period of `S_(1)` is four times that of `S_(2)`.

Text Solution

Verified by Experts

The correct Answer is:
B
Orbital speed `v=sqrt((GM)/(r ))` is independent of mass of the satellite.
So, `S_(1) and S_(2)` are moving with same speed.
Thus correct choice is (b).
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