Q.

Two billiard balls each of mass 0.05kg moving in opposite direction with speed 6ms-1 collide and rebound with the same speed. What is the impulse imparted to each ball due to the other ?

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a

0.5 kg m/s

b

0.4 kg m/s

c

1.2 kg m/s

d

0.6 kg m/s

answer is D.

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Detailed Solution

The impulse imparted= Change in momentum.

So, Impulse =2mu=2(0.05x6)=0.6kgm/s

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