Question:-
18. A 20 kg car moving at a speed of 20 m/s to the right collides with a 35 kg car which is at rest. After the collision the 35 kg car is moving towards right at a speed of 10 m/s. The speed of the 20 kg car is
Option (A)
2.5 m/s
Option (B)
-2.5 m/s
Option(C)
50 m/s
Option(D)
0
Correct Option:
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question-answer-faq-2668