Two particles moving in same direction with velocities 4m/s and 2m/s collide elastically. after collision , the velocity of first particles becomes 3m/s in same dircetion. the velocities of second particle is
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formula=u(1)+v(1)=u(2)+v(2)
=4+3=2+v(2)
=v(2)=5
therefore the velocity of second particle is5m/s
=4+3=2+v(2)
=v(2)=5
therefore the velocity of second particle is5m/s
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