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Homework Help: Electrostatic force

  1. Aug 30, 2010 #1
    1. The problem statement, all variables and given/known data

    How far must two protons be placed on the Earth’s surface for there to be an electrostatic force between them equal to the weight of one of the protons?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Aug 30, 2010 #2


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    Homework Helper

    Show some attempt. What are the relevant equations you need to consider?
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