A particle of mass m has a velocity –v0i, while a second particle of same mass has a velocity v0j. After the particles collide, first particle is found to have a velocity -12v0i¯ then the velocity of other particle is

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-12v0i→+v0j→

12v0i→+v0j→

v0i→+v0j→

-v0i→+v0j→

answer is A.

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Detailed Solution

Total momentum before collisionTotal momentum after collision

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