Question

Two discs of mass 2kg and 5kg move towards each other with velocities 10 m/s and 4m/s
respectively. They collide and after collision move with velocities 5 m/s and 2 m/s
respectively along a line perpendicular to their original line of motion opposite to each
other. The co-efficient of restitution for the collision is​

Answer 1

Answer:

6 m/s..................