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A remote-sensing satellite of earth revo...

A remote-sensing satellite of earth revolves in a circular orbit at a hight of `0.25xx10^(6)m` above the surface of earth. If earth's radius is `6.38xx10^(6)m` and `g=9.8ms^(-2)`, then the orbital speed of the satellite is

A

`6.67 " km"s^(-1)`

B

`7.76 " km"s^(-1)`

C

`8.56 " km"s^(-1)`

D

`9.13 " km"s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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