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Advanced math problem

  1. Sep 21, 2008 #1
    Hello to all,
    I'm solving one interesting problem that basically tailor to the problem in attachment.
    I'm pretty much sure I'm on the right track, but my knowledge of math became little rusty since colledge, so I need to ask fo confirmation.
    Please have a look and tell me if I wrote these equation correctly.

    Thank you
     

    Attached Files:

    Last edited: Sep 22, 2008
  2. jcsd
  3. Sep 26, 2008 #2
    ya you are goin the right way...
     
  4. Sep 26, 2008 #3
    Thank you, I was sure I'm on the right track. However I got integrals which are not so complicated but solution is rather complicated (arcsin and similar). I wondew if problem is easier with cilindrical coordinates...
     
    Last edited: Sep 26, 2008
  5. Sep 27, 2008 #4
    hint: k=rcos[theta] is the equation of a circle polar coordinates
     
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