The planet Mars has two moons |Gravitation| JEE MAIN 2021

JEE MAIN 2021

27-07-2021 - S2

Question

The planet Mars has two moons, if one of them has a period 7 hours, 30 minutes and an orbital radius of $9.0 \times 10^3 \mathrm{~km}$. Find the mass of Mars.
$\left\{\right.$ Given $\left.\frac{4 \pi^2}{G}=6 \times 10^{11} N^{-1} m^{-2} k g^2\right\}$

Select the correct option:

$5.96 \times 10^{19} \mathrm{~kg}$

$3.25 \times 10^{21} \mathrm{~kg}$

$7.02 \times 10^{25} \mathrm{~kg}$

$6.00 \times 10^{23} \mathrm{~kg}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution