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The escape velocity of a body on the earth's surface is $v_e$. A body is thrown up with a speed $\sqrt 5 v_c$. Assuming that the sun and planets do not influence the motion of the body, velocity of the body at infinite distance, is :

\[\begin {array} {1 1} (a)\;0 & \quad (b)\;v_e \\ (c)\;\sqrt 2 v_e & \quad (d)\;2v_e \end {array}\]

Can you answer this question?

1 Answer

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$ (B)\;v_e$
Hence B is the correct answer.
answered Mar 24, 2014 by meena.p

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