1.

The escape velocity of a body on the earth.s surface is V . A body is thrown vertically up with a speed of (kV_(e)(k lt 1)). The maximum height reached by the body above the earth is

Answer»

`R(K^(2)/(1-k^(2)))`
`R^(2)k^(2)/(1-k^(2))`
`R(1-k^(2))/k`
`R/k^(2)`

ANSWER :A


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