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The escape velocity from the earth is 11...

The escape velocity from the earth is `11 km//s`. The escape velocity from a planet having twice the radius and same density as that of the earth is (in `km//s`)

A

`22`

B

`15.5`

C

`11`

D

`5.5`

Text Solution

Verified by Experts

The correct Answer is:
A
`V_(e)propRsqrt(rho),`
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