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Two balls of masses 10 kg and 20 kg appr...

Two balls of masses 10 kg and 20 kg approach each other with velocities 30 m/s and 20 m/s respectively . Calculate their velocities after they undergo a perfectly eleastic collision .

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To solve the problem of two balls undergoing a perfectly elastic collision, we will use the principles of conservation of momentum and the properties of elastic collisions. ### Step-by-Step Solution: 1. **Identify the Given Data:** - Mass of ball 1 (m1) = 10 kg - Initial velocity of ball 1 (u1) = 30 m/s (approaching) - Mass of ball 2 (m2) = 20 kg ...
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