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Question 6119
NEET Physics · Hard

System of Particles & Rotational Motion: Angular Kinematics MCQ

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Angular KinematicsHardQuestion 6119

Question

Angular displacement θ (in rad) for a wheel: θ = 2t³ + 3t. Angular velocity at t = 2 s:
  1. A
    27 rad/s
    Correct
  2. B
    24 rad/s
  3. C
    30 rad/s
  4. D
    12 rad/s

Correct answer

27 rad/s

Explanation

ω = dθ/dt = 6t² + 3. At t=2: ω = 6×4+3 = 27 rad/s.

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