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Kenetic energy

  1. Oct 6, 2005 #1
    What would be the kenetic energy, it the bar is rotating? But it has different speed along it's mass. Need to use calculas?
     
  2. jcsd
  3. Oct 6, 2005 #2

    Tide

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    The short answer is "yes." You can roll it all up into a single package if you know (or can calculate) the moment of inertia about the axis of rotation in which case the rotational energy is [itex]\frac {1}{2} I \omega^2[/itex]
     
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