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Electrostatics not on the same axis

  1. Mar 26, 2013 #1

    Attached Files:

    Last edited: Mar 26, 2013
  2. jcsd
  3. Mar 26, 2013 #2
    The link doesn't work :(
     
  4. Mar 26, 2013 #3
    try now i think i attached the picture on it!
     
  5. Mar 26, 2013 #4
    Do you know the relation between work and electric potential energy?
     
  6. Mar 26, 2013 #5
    Work = the change in electric potential energy? Is that what you are refering to?
     
  7. Mar 26, 2013 #6
    Yes.
    Can you work out the potential energy for the 2 configurations?
     
  8. Mar 26, 2013 #7
    yes I have

    kq1q2/0.6^2 Epi
    kq1q2/0.4^2 Epf

    then what should I do
     
  9. Mar 27, 2013 #8
    This is the electric force, not the potential energy.
    The PE varies as 1/r, not 1/r2

    Also, there are 2 fixed charges - you've only accounted for 1 of them.
     
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