Q: Two billiard balls A and B, each of mass 50 g and moving in opposite directions with speed of 5 m/s each, collide and rebound with the same speed. If the collision lasts for 10-1 s, which of the following statements are true?
(a) The impulse imparted to each ball is 0.25 kg-ms-1 and the force on each ball is 250 N
(b) The impulse imparted to each ball is 0.25 kg-ms-1 and the force exerted on each ball is 25 × 10-5 N
(c) The impulse imparted to each ball is 0.5 N-s
(d) The impulse and the force on each ball are equal in magnitude and opposite in directions
Ans: (c) & ()