1.

The escape velocity of a body on the earth's surface is v_(e). A body is thrown vertically up with a speed of (kV_(e)) (k lt 1), Assuming that the sun and planets do not influence the motion of the body, the the velocity of the body at the infinite distance in

Answer»

`v_(e)//sqrt(K^(2)-1)`
`v_(e)sqrt(k^(2)-1)`
`v_(e)(k^(2)-1)`
`(v_(e))/(k-1)`

Answer :B


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