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NEET Physics · Medium

Basic Mathematics & Vectors: Calculus in Physics MCQ

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Calculus in PhysicsMediumQuestion 5130

Question

If acceleration a = 6t, and v = 0 at t = 0, then v at t = 3 s is:
  1. A
    18 m/s
  2. B
    27 m/s
    Correct
  3. C
    9 m/s
  4. D
    54 m/s

Correct answer

27 m/s

Explanation

v = ∫a dt = ∫6t dt = 3t² + C. At t=0, v=0 → C=0. At t=3: v = 3(9) = 27 m/s.

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