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A body of mass m moving with a constant velocity V hits another body of the same mass moving with velocity V but in the opposite direction and sticks to it. The velocity of the compound body after collision is

\[\begin {array} {1 1} (a)\;V & \quad (b)\;2V \\ (c)\;zero & \quad  (d)\;4V \end {array}\]

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Net momentum before collision =0
Net momentum after collision =0
So the correct answer is 0
answered Nov 22, 2013 by meena.p

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