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A rocket is fired with a speed u=3sqrt(g...

A rocket is fired with a speed `u=3sqrt(gR)` from the earth surface. What will be its speed at interstellar space?

A

zero

B

`sqrt(2gR)`

C

`sqrt(7gR)`

D

`sqrt(3gR)`

Text Solution

Verified by Experts

The correct Answer is:
C
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