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Question 5240
NEET Physics · Hard

Motion in a Straight Line: Graphs Interpretation MCQ

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Graphs InterpretationHardQuestion 5240

Question

The displacement of a particle is s = 6 + 12t − 2t². The particle comes to rest at t =
  1. A
    1 s
  2. B
    2 s
  3. C
    3 s
    Correct
  4. D
    6 s

Correct answer

3 s

Explanation

v = ds/dt = 12 − 4t. Setting v = 0: 12 − 4t = 0 → t = 3 s.

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