Unformatted text preview: • We place q 2 and q 3 on the x axis • We place q 1 and q 4 on the y axis • The center of the square is at x = y = 0 ! We define the side of the square • a = 5 cm Thursday, September 2, 2010...
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 Fall '08
 Wei
 Charge, Complex number, Euclidean geometry, Polar coordinate system, xy coordinate

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