Intext problem - 1 — task. Science State Board, Class 9.

PDF chapter test TRY NOW

Can you calculate the orbital velocity of a satellite orbiting at an altitude of 500 $km$ ?

[NOTE: Enter up to one decimal place and write in terms of

$ms^{-1}$ .]

Given:

Gravitational constant,

$G$

$=$

$6.673 \times 10^{–11}$

$Nm^2kg^{-2}$

Mass of Earth,

$M$

$=$

$5.972 \times 10^{24}$

$kg$

Radius of the Earth,

$R$

$=$

$6371000\ m$

Altitude of satellite,

$h$

$=$ 500

$km$

On converting

$km$ to

$m$ , we get

$m$ .

Formula:

$v = \sqrt{\frac{i i}{(i + i)}}$

On substituting the given values, we get

$\begin{array}{l} v = \sqrt{\frac{i i}{(i + i)}} \\ = \sqrt{\frac{i \times 10^{- 11} \times i \times 10^{24}}{(i + i)}} \end{array}$

Orbital velocity of a satellite

$=$

$ms^{-1}$

$1$

Did you find an error?

15. Intext problem - 1