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Homework Help: Repulsive Coulomb Force

  1. May 6, 2010 #1
    1. The problem statement, all variables and given/known data
    Find the deflection angle of a particle moving in a repulsive Coulomb field.


    2. Relevant equations



    3. The attempt at a solution
    Hi everyone,
    I can do this no problem if I just knew the equation for a repulsive Coulomb field! Can anyone please help me with this?

    Thanks
     
  2. jcsd
  3. May 7, 2010 #2

    tiny-tim

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    Hi Pyroadept! :wink:

    Isn't that just a force of 1/r2 radially outward? :smile:
     
  4. May 7, 2010 #3
    So, at the risk of sounding incredibally stupid, that would mean a potential energy of U = 1/r?
     
  5. May 7, 2010 #4

    tiny-tim

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    A potential of 1/r …

    potential energy would be q/r (for a body with charge q). :smile:

    (or is it minus that? :confused:i get confused :redface:)
     
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