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The escape velocity of an object on a pl...

The escape velocity of an object on a planet whose radius is `4` times that of the earth and `g` value `9` tims that on the earth, in `Kms^(-1)`, is

A

`33.6`

B

`67.2`

C

`16.8`

D

`25.2`

Text Solution

Verified by Experts

The correct Answer is:
B

`v_(e)=sqrt(2gR)rArr V_(e)propsqrt(gR)`
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