Two charges are placed on the x axis. One of the charges (91 = +7.20 C)...

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Two charges are placed on the x axis. One of the charges (91 = +7.20 C) is at x = +3.00 cm and the other (92 = -20.1 C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm. (a) Number Units (b) Number i Units Two charges are placed on the x axis. One of the charges (91 = +7.20 C) is at x = +3.00 cm and the other (92 = -20.1 C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x = +6.00 cm. (a) Number Units (b) Number i Units