1.

The orbit velocity of a satellite at a height `R` above the surface of Earth is `v`. The escape velocity from the location isA. `sqrt(2)v`B. `2v`C. `4v`D. none of these

Answer» Correct Answer - A
`v_(e)=sqrt((2GM)/r)`
`=sqrt(2) sqrt((GM)/r)=sqrt(2)v`


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