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Physics 102 Electricity and Magnetism
There are four charges, each with a magnitude of 6 ?C. Two are positive and two are negative. The charges are fixed to the corners of a 19 cm square, one to a corner, in such a way that the net force on any charge is directed toward the center of the square. Find the magnitude of the net electrostatic force experienced by any charge. (k = 9.00 x 109 N.m2/C2)