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Question 6081
NEET Physics · Medium

Work, Energy & Power: Work-Energy-Power Mixed MCQ

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Work-Energy-Power MixedMediumQuestion 6081

Question

Bullet (m, v) fired into suspended block (M, rest). Height block rises:
  1. A
    m²v²/2(M+m)g
    Correct
  2. B
    mv/Mg
  3. C
    mv/2Mg
  4. D
    m²v/2Mg

Correct answer

m²v²/2(M+m)g

Explanation

v' = mv/(M+m). h = v'²/2g = m²v²/2(M+m)²g.

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