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The escape speed of a body on the earth'...

The escape speed of a body on the earth's surface is `11.2kms^(-1)`. A body is projected with thrice of this speed. The speed of the body when it escape the gravitational pull of earth is

A

`11.2 sqrt3 kms^(-1)`

B

`11.2 kms^(-1)`

C

`11.2sqrt2 kms^(-1)`

D

`(11.2)/(sqrt2) kms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`11.2 sqrt3 kms^(-1)`
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