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  • Two satellites A and B move round the earth in the same orbit. The mass of A is twice the mass of B. The quantity which is same for the two satellites will beOpt

Two satellites A and B move round the earth in the same orbit. The mass of A is twice the mass of B. The quantity which is same for the two satellites will be

Option: 1

Kinetic energy


Option: 2

Speed


Option: 3

Total energy


Option: 4

Potential energy


Answers (1)

best_answer

\begin{gathered} \text { Speed } V=\sqrt{\frac{\mathrm{GM}_e}{\mathrm{r}}} \\ \mathrm{m}_{\mathrm{e}}=\text { mass of earth } \\ \mathrm{r}=\text { radius of orbit } \end{gathered}

Independent on mass of satellite so speed is same

Other three quantities are mass dependent

\begin{aligned} & \rightarrow \quad \mathrm{KE}=\frac{\mathrm{Gm}_{\mathrm{e}} \mathrm{m}}{2 \mathrm{r}} \\ & \rightarrow \quad \text { PE }=\frac{-\mathrm{Gm}_{\mathrm{e}} \mathrm{m}}{\mathrm{r}} \\ & \rightarrow \quad \mathrm{TE}=\frac{-\mathrm{Gm}_{\mathrm{e}} \mathrm{m}}{2 \mathrm{r}} \\ & \end{aligned}

Posted by

SANGALDEEP SINGH

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