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Rotational Motion Problem - 6

  1. Dec 16, 2013 #1
    Hi friends,
    Please help me in solving this problem, I'll appreciate the help.

    The problem is as:

    https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-frc3/q71/s720x720/1493131_1461727260721046_949193439_n.jpg

    Attempt -

    https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn1/q71/s720x720/1524731_1461727337387705_494938793_n.jpg

    Thank you all in advance.
     
  2. jcsd
  3. Dec 16, 2013 #2

    haruspex

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    You forgot to convert 3000 rpm to radians/s.
     
  4. Dec 17, 2013 #3
    No haruspex,

    I have converted it in the second last line.
    Please see.
     
  5. Dec 17, 2013 #4

    haruspex

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    Looks to me like you converted rpm to revs/sec, and you converted n revolutions to 2nπ radians, but I don't see any conversion from revolution rate to radian rate. (The pi's should cancel.)
     
  6. Dec 17, 2013 #5
    The problem has been cleared.
     
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