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Divergence theorem

  1. Aug 1, 2008 #1
    1. The problem statement, all variables and given/known data
    Here is a link to the problem:

    3. The attempt at a solution
    To find the divergence


    Which gives


    Is this correct?
    Last edited by a moderator: Aug 1, 2008
  2. jcsd
  3. Aug 1, 2008 #2


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    Homework Helper

    I'm a little confused as to the notational convention for [tex]\phi \ \mbox{and} \ \theta[/tex]. Which one in this question is the azimuthal angle to the xy plane?
  4. Aug 1, 2008 #3
    Phi is the azimuthal angle
  5. Aug 1, 2008 #4
    4rcos(theta) came from simplifying the expressions above it, it is the divergence.

    And thank you - you answered my question!
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