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Potential Energy

  1. Jun 6, 2007 #1
    This question concerns 2 positively charges masses at a certain distance apart.

    If I have a value for gravitational potential energy of

    -3.6e-12 J

    And a value for electrostatic potential energy of

    3.6e-12 J

    Would I be right in saying that the overall potential energy of the system is zero?

    Would I also be correct in saying that at infinite distance apart, gravitational and electrostatic potential is also zero?
  2. jcsd
  3. Jun 6, 2007 #2


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    Science Advisor
    Homework Helper

    Yes. In fact, total potential energy at any distance would be zero, since the gravitational and electrostatic potential scale the same with distance.
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