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Homework Help: Fixed Axis Rotating

  1. Sep 24, 2007 #1
    I got this problem and I got the answer 0.5 rad/s^2, but it is not the right one. pls help me. thanks

    At t=0 wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2 rad/s. Two seconds later it has turned 5 complete revolutions. What is the angular acceleration of this wheel.
  2. jcsd
  3. Sep 25, 2007 #2


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    What's an equation relating angular displacement with time under uniform angular acceleration? And if you want to know why your answer is wrong you'll have to post what you actually did.
  4. Sep 25, 2007 #3

    I figured it out already.
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