A ball of mass m = 60gm is shot with speed v_0 = 22m/s into barrel of spring gun of mass M = 240g in

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5.Work, Energy, Power and Collision

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$A$ ball of mass $m = 60gm$ is shot with speed $v_0 = 22m/s$ into the barrel of spring gun of mass $M = 240g$ initially at rest on $a$ frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. The speed of the spring gun after the ball stops relative to the barrel, is

A

$2.2\, m/s$

B

$4.4\, m/s$

C

$4.4 \,cm/s$

D

none

Solution

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Standard 11

Physics

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