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Homework Help: Net Electric Field

  1. Feb 17, 2017 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
    So i decided to do decouple the x and y values to make it simpler
    For Ex It became apparent through the geometry and charges that there would be no net field in the x direction

    For Ey:
    k/r2* (-absq1+absq2+absq3-absq4)sinθ
    = 8.99E9/(.5*√2*.067)*(-6.31E-9+18.6E-9+18.6E-9-631E-6)sin(π/4)
    =3295.12 N/C
  2. jcsd
  3. Feb 17, 2017 #2
    Nevermind, forgot to square the distance.
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