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Homework Help: X-component of electric force

  1. Jul 15, 2012 #1
    Solved.
     
    Last edited: Jul 15, 2012
  2. jcsd
  3. Jul 15, 2012 #2

    Doc Al

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    Staff: Mentor

    What are the coordinates of Q1 and Q2? Are you sure you have the correct sign for the x-component of the force?
     
  4. Jul 15, 2012 #3
    Q1 is up and to the left of Q2. Oh, so force must be negative since it's Q2 acting on Q1?
     
  5. Jul 15, 2012 #4

    Doc Al

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    Staff: Mentor

    Yep.
     
  6. Jul 15, 2012 #5
    Thank you!!
     
  7. Jul 26, 2012 #6

    berkeman

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    Staff: Mentor

    It is against the PF rules to deleted your posts after you have received help. Check your PMs.
     
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