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Circular motion formula help

  1. Aug 14, 2012 #1
    How is the formula θ= s/r
  2. jcsd
  3. Aug 14, 2012 #2

    Simon Bridge

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    Welcome to PF;
    When you ask a question you should explain your reasoning.
    [itex]s=r\theta[/itex] ... is the formula for the arc-length subtended by an angle ... if the angle is in radiens. How can it not be that?
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