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The escape velocity from the surface of ...

The escape velocity from the surface of the earth is `V_(e)`. The escape velcotiy from the surface of a planet whose mass and radius are three times those of the earth, will be

A

`v_(e)`

B

`3v_(e)`

C

`9v_(e)`

D

`(1)/(3v_(e))`

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The correct Answer is:
A
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