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In the figure above eight particles form a square
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In the figure above, eight particles form a square in which distance d = 2.0 cm. The charges are q1=+3e, q2=+e, q3=-5e, q4=-2e, q5=+3e, q6=+e, q7=-5e, and q8=+e. In unit-vector notation, what is the net electric field at the square’s center?
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