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Rotational motion question, can anyone check over this result please?

  1. Dec 5, 2009 #1
    1. The problem statement, all variables and given/known data

    An inextensible light string of length 2 m is fixed at one end A and carries at its other end B a particle of mass 3 kg, which is rotating in a horizontal circle whose centre is 1 m vertically below A. Find the angular velocity of the particle and the tension in the string.

    2. Relevant equations

    Attached my diagram with my solution.

    3. The attempt at a solution

    could someone take a look at this to make sure i have gone about it correctly. thanks.
     

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  2. jcsd
  3. Dec 5, 2009 #2

    kuruman

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    Looks good.
     
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