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Units of Angular Momentum?

  1. Dec 9, 2013 #1
    If the units of angular velocity, ω, is expressed in rad/a what then is the units of angular momentum?

    L=Iω

    From this I can gather that the units are

    Kgm^2*rad/s

    Is this a suitable way to express angular momentum?
     
  2. jcsd
  3. Dec 9, 2013 #2

    rock.freak667

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    Yes you can express it as such. You can similarly express it N*m*s. You can sort of leave out the radian unit if you wish as that is basically a ratio of arc length to radius.
     
  4. Dec 9, 2013 #3
    So if from that I calculated Kinetic energy using

    E=1/2 I*ω^2

    Where I=1/2MR^2
     
  5. Dec 9, 2013 #4

    haruspex

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    Yes.
     
  6. Dec 9, 2013 #5
    :) ok thanks
     
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