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A remote sensing satellite of earth revo...

A remote sensing satellite of earth revolves in a circular orbit at a height of `0.25xx10^6` m above the surface of earth if earth's radius is `6.38xx10^6`m and g=`9.8ms^(-1)` then the orbital speed of the satellite is:

A

`8.56kms^(-1)`

B

`9.13kms^(-1)`

C

`6.67kms^(-1)`

D

`7.76kms^(-1)`

Text Solution

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The correct Answer is:
D
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