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The escape velocity from the earth is 11...

The escape velocity from the earth is `11 kms(-1)` .The escape velocity from a planet having twice the radius and same mean density as that of earth is

A

` 5.5 kms(-1)`

B

`11 kms (-1)`

C

`22 kms (-1)`

D

None of these

Text Solution

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The correct Answer is:
C
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