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Need and Importance of Space Mission

Two satellite...

Question

Two satellites of masses $m_{1}$ and $m_{2} (m_{1} > m_{2})$ are revolving round the earth in circular orbits of radius $r_{1}$ and $r_{2} (r_{1} > r_{2})$ respectively. Which of the following statements is true regarding their speeds $v_{1}$ and $v_{2}$ ?

A

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B

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C

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D

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Solution

The correct option is B

$v = \sqrt{\frac{G M}{r}} i f r_{1} > r_{2} t h e n v_{1} < v_{2}$
Orbit speed of satellite does not depends upon the mass of satellite

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