1.

Two cars, X of mass 1500 kg and velocity 25 m/s and car Y of mass 1000 kg and velocity 15 m/s are moving towards each other head on. After collision, the velocity of the car X becomes 20 m/s. Find the velocity of car Y after the collision.

A. 20 m/s
B. 21.5 m/s
C. 22.5 m/s
D. 25 m/s
E. None of these
Answer» D. 25 m/s


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