NEET Physics Impulse & Momentum MCQ Question
Two billiard balls, each with a mass of 0.05 kg, collide head-on while moving towards each other at 6 m/s. After the collision, they rebound with the same speed. What is the magnitude of the impulse imparted to each ball by the other during the collision?
0.6 kg m/s
0.3 kg m/s
0.05 kg m/s
2 kg m/s
Correct Answer
Detailed Explanation
The impulse is the change in momentum. The initial momentum of each ball is 0.05 kg * 6 m/s. After rebounding, the speed is the same but in the opposite direction, so the change in momentum is 0.05 kg * 12 m/s = 0.6 kg m/s.
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