Year: 2016
Topic: Work, Energy, and Power
Time :
1. Two identical balls A and B having velocities of 0.5ms
−1
and 0.3ms
−1
respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be
(1). −0.5 ms
−1
and 0.3 ms
−1
(2). 0.5 ms
−1
and −0.3 ms
−1
(3). −0.3 ms
−1
and 0.5 ms
−1
(4). 0.3 ms
−1
and 0.5 ms
−1