Q: A ball of mass M moving with velocity V collides elastically with another ball of mass m at rest. If after the collision the first ball comes to rest, then what will be velocity of second ball?
(a) V/2
(b) V
(c) 2 V
(d) 4 V
Ans: (b)
Collision
Questions & Answers
A ball is dropped from height h on the ground where coefficient of restitution is e. After one bounce the maximum height is
Q: A ball is dropped from height h on the ground where coefficient of restitution is e. After one bounce the maximum height is
(a) e2h
(b) e√h
(c) eh
(d) h
Ans: (a)