. A particle of mass m moving with horizontal speed
6 m/sec. If m<<M then for one dimensional elastic collision, the speed of lighter particle after collision will be
A. 2 m/sec in original direction
B. 2 m/sec opposite to the original direction
C. 4 m/sec opposite to the original direction
D. 4 m/sec in original direction
Best Answer
Ans: A
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