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MHT CET 2024 (3 May, Shift 1) · Satellites - Orbital Velocity & Period

Satellites - Orbital Velocity & Period question from MHT CET 2024 (3 May, Shift 1)

Q17MHT CET 2024 · 3 MAY · SHIFT 1Easy

Satellites - Orbital Velocity & Period

The distance of the two planets A and B from the sun are $r_A$ and $r_B$ respectively. Also $r_B$ is equal to $100r_A$ . If the orbital speed of the planet $A$ is ' $v$ ' then the orbital speed of the planet B is

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Answer: (a)

Orbital speed $v \propto \frac{1}{\sqrt{r}}$ .
$\frac{v_B}{v_A} = \sqrt{\frac{r_A}{100\,r_A}} = \frac{1}{10}$
So the answer is (a) $\frac{v}{10}$ .

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