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NEET Physics · Medium

Work, Energy & Power: Collisions MCQ

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CollisionsMediumQuestion 6057

Question

Ball A (2 kg, 5 m/s) hits stationary ball B (2 kg). After perfectly inelastic collision, speed:
  1. A
    5 m/s
  2. B
    2.5 m/s
    Correct
  3. C
    0 m/s
  4. D
    10 m/s

Correct answer

2.5 m/s

Explanation

2×5 = 4×v. v = 2.5 m/s.

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