The time period of satellite revolving around earth in a given orbit is 7 hours. If the radius of or

Question

The time period of satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to 3 times its previous value, then approximate new time period of the satellite will be

Professor PC Thomas Classes · Answer

$T^2 \propto R^3$. If $R ightarrow 3R$, $T ightarrow 3^{1.5} T \approx 5.2 	imes 7 \approx 36$ hours.