A body of mass `4kg` moving with a speed of `3 ms^(-1)` collides head on with a body of mass `3 kg` moving in the opposite direction at a speed of `2 ms^(-1)`. The first body stops after the collision. The final velocity of the second body isA. `3 ms^(-1)`B. `5 ms^(-1)`C. `-9 ms^(-1)`D. `30 ms^(-1)`

A body of mass `4kg` moving with a speed of `3 ms^(-1)` collides head

1.	A body of mass `4kg` moving with a speed of `3 ms^(-1)` collides head on with a body of mass `3 kg` moving in the opposite direction at a speed of `2 ms^(-1)`. The first body stops after the collision. The final velocity of the second body isA. `3 ms^(-1)`B. `5 ms^(-1)`C. `-9 ms^(-1)`D. `30 ms^(-1)`
Answer» Correct Answer - A `m_(1)u_(1) - m_(2)u_(2) = m_(1)v_(1) + m_(1)v_(2)`.

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