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Question 6072
NEET Physics · Medium

Work, Energy & Power: Collisions MCQ

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CollisionsMediumQuestion 6072

Question

Bodies A (3 kg, 4 m/s) and B (2 kg, −2 m/s) collide and stick. Final velocity:
  1. A
    1.6 m/s
    Correct
  2. B
    0.4 m/s
  3. C
    2 m/s
  4. D
    3 m/s

Correct answer

1.6 m/s

Explanation

p = 3×4 + 2×(−2) = 8 kg·m/s. v = 8/5 = 1.6 m/s.

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