Question

* > Two object of masses 100 g and 200g are direction with velocities of 2m ^-1 and 1m s ^-1 , respectively. They collide and after the collision , the first object moves at a velocity of 1.67 m s^-1. Determine the velocity of the second object.​

Answer 1

I hope it helps you.
And the answer is 1.165 m/s