Question

A moving block having mass m, collides with
another stationary block having mass 4m. The
lichter block comes to rest after collision. When
the initial velocity of the lighter block is v, then the
value of coefficient of restitution (e) will be
[NEET-2018]
(1) 0.5
(2) 0.25
(3) 0.4
(4) 0.8​

Answer 1

Answer:

2) 0...value of coefficient of restitution will be 0.25.