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Two satellites of earth S(1)andS(2) are ...

Two satellites of earth `S_(1)andS_(2)` are moving in the same orbit. If the mass of `S_(1)` is four times the mass of `S_(2)` then which one of the following statements is true?

A

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

B

The kinetic energies of two satellites are equal.

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
Since speed of a satellite is independent of its mass.
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  • Two satellites of masses m_(1)andm_(2)(m_(1)gtm_(2)) are moving around the earth in orbits of radii r_(1)andr_(2)(r_(1)gtr_(2)) . Which one of the following statements about their velocities is correct?

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