Recent content by tua39657

  1. T

    Mastering physics: electric field of point charges

    For these types of problems could someone please explain how you find which of the components x or y cancel. Also how can you tell if E_1 and E_2 are negative or positive? I am pretty sure i found E_1 and E_2 i just don't understand how you can tell to add both together or subtract one from the...
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