Q. 19 A mass 
of 100 kg travelling with a uniform velocity of 5 m/s along a line
collides with a stationary mass 
of 1000 kg. After the collision, both the masses
travel together with the same velocity. The coefficient of restitution is
(A) 0.6
(B) 0.1
(C) 0.01
(D) 0
Answer: (D)
Explanation:
