Physics · 2021
JEE Main · 27 July 2021, Shift 2 · Q11
The planet Mars has two moons, if one of them has a period 7 hours, 30 minutes and an orbital radius of 9.0 × 10^3 km. Find the mass of Mars. { Given…
The planet Mars has two moons, if one of them has a period $\displaystyle 7$ hours, $\displaystyle 30$ minutes and an orbital radius of $\displaystyle 9.0 \times 10^3 \mathrm{~km}$. Find the mass of Mars.
$$\left\{\text { Given } \frac{4 \pi^2}{\mathrm{G}}=6 \times 10^{11} \mathrm{~N}^{-1} \mathrm{~m}^{-2} \mathrm{~kg}^2\right\}
$$
Official answer
(3)
$\displaystyle 6.00 \times 10^{23} \mathrm{~kg}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.