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

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} km .

Find the mass of Mars.

\{

Given

\frac{4 π^{2}}{G} = 6 \times 10^{11} N^{- 1} m^{- 2} {kg}^{2}\}

Aicharya · Accepted Answer

Option D is correct. T 2 = 4 &#960; 2 G M &#183; r 3 M = 4 &#960; 2 G &#183; r 3 &#160; T 2 By putting values M = 6 &#215; 10 23

The planet Mars has two moons, if one of them has a period 7 hours, 30 minutes and an orbital radius of 9 .…