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If the escape velocity on the earth is 1...

If the escape velocity on the earth is `11.2km-s^-1`, its value for a planet having double the radius and 8 times the mass of earth is

A

`10.2 kms^(-1)`

B

`22.4 kms^(-1)`

C

`10 kms^(-1)`

D

0

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The correct Answer is:
B
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