A block of mass m moving with speed v collides with another block of mass 2m at rest. The lighter block comes to rest after the collision. The coefficient of restitution is

A block of mass m moving with speed v collides with another block of m

1.	A block of mass m moving with speed v collides with another block of mass 2m at rest. The lighter block comes to rest after the collision. The coefficient of restitution is
Answer» `(1)/(2)` `(1)/(3)` `(1)/(4)` `(1)/(5)` ANSWER :A