NEET Physics · Medium

Work, Energy & Power: Collisions MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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CollisionsMediumQuestion 6064

Question

Ball (m, velocity v) bounces off wall with same speed. Magnitude of impulse:
  1. A
    0
  2. B
    mv
  3. C
    2mv
    Correct
  4. D
    mv/2

Correct answer

2mv

Explanation

Δp = m(−v) − m(v). |Impulse| = 2mv.