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A mass m moves with a velocity v and col...

A mass m moves with a velocity v and collides inelastically with another identical mass. After collision the 1st mass moves with velocity `v/(sqrt3)` in a direction perpendicular to the initial direction of motion. Find the speed of the second mass after collision

A

v

B

`sqrt3 v`

C

`2v /sqrt3`

D

`v/sqrt3`

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