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Question: Answered & Verified by Expert
A flywheel at rest is to reach an angular velocity of 24 rad s-1 in 8 s with constant angular acceleration. The total angle turned through during this interval is
PhysicsLaws of MotionNEET
Options:
  • A 24 rad
  • B 48 rad
  • C 72 rad
  • D 96 rad
Solution:
1292 Upvotes Verified Answer
The correct answer is: 96 rad
ω0=0, ω=24 rad s-1, t=8 s

      α=ω-ω0t=248=3 rad s-2

θ=ω0t+12αt2

=0+12×3×82

=3×642=96 rad.

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