A particle A approach relative to a particle B with a velocity of 20m/s. If they collide head on and the coefficient of restitution is 1/4, the velocity with which A moves away from B after impact is

A particle A approach relative to a particle B with a velocity of 20m/

1.	A particle A approach relative to a particle B with a velocity of 20m/s. If they collide head on and the coefficient of restitution is 1/4, the velocity with which A moves away from B after impact is
Answer» 10 m/s 15 m/s 5 m/s 2.5m/s Answer :C