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Angular speed and revolutions question.

  1. Jan 29, 2007 #1

    shanest

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    I've attached the problem as an image. I solved 20 and 21 very easily. For 22, my obvious instinct was to set dtheta/dt to 0, but that's an unsolvable equation. I'm obviously missing something key in solving 22. What is it?
     

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    shanest, Jan 29, 2007
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  3. Jan 30, 2007 #2

    chanvincent

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    obviously, your obvious instinct is not pointing you to the right direction....

    Try to set up a definite integral with appropiate limit.... (what is time t equal to when the wheel coming to rest?)
     
    chanvincent, Jan 30, 2007
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