A `6 kg` mass travelling at `2.5 ms^(-1)` collides head on with a stationary `4 kg` mass.
Channel: Doubtnut
Date: 2020-02-20

A `6 kg` mass travelling at `2.5 ms^(-1)` collides head on with a stationary `4 kg` mass. After the collision the `6kg` mass travels in its original direction with a speed of `1 ms^(-1)`. The final velocity of `4 kg` mass is