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Question 5257
NEET Physics · Hard

Motion in a Straight Line: Mixed Motion Concepts MCQ

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Mixed Motion ConceptsHardQuestion 5257

Question

A bullet of mass 10 g traveling at 200 m/s is stopped in 0.05 s. The retarding force is:
  1. A
    400 N
  2. B
    4000 N
  3. C
    40 N
    Correct
  4. D
    0.04 N

Correct answer

40 N

Explanation

F = m(Δv/Δt) = 0.01 × (200/0.05) = 0.01 × 4000 = 40 N.

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