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Potential difference problem (important)

  1. Feb 29, 2008 #1
    1. The problem statement, all variables and given/known data
    I really need help with this problem. The question is: Each side of an equilateral triangle measures 3.61cm. A charge of -0.34mC is placed at each vertex. what is the potential difference at the midpoint of the base of the triangle?

    2. Relevant equations


    3. The attempt at a solution
  2. jcsd
  3. Feb 29, 2008 #2


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    You have to show some work. Where are you stuck? You must calculate the potential of each charge at that point and add the three results.
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