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AAI ATC Junior Executive 27 Dec 2023 Shift 2 Paper

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Question : 61

Total: 120

Ball A (3.0 kg) moving with velocity v₀ i makes a head-on elastic collision with another ball B , initially at rest. After collision, ball A continues to move with velocity (v₀/5) i. The mass of ball B is (i is unit vector along x -axis):

1.0 kg
0.5 kg
2.0 kg
1.5 kg

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