The coordinate in a XY plane for the charges are: -One positive charge of +1nC at the origen. -One positive charge of +1nC at 1.5m in the Y-axis -One negative charge of -1nC at 1.5m in the X-axis -Electric field sensor at ( 1.5m, 1.5m) in the X and Y axis   Find the electric fiel at the sensor ( yellow button)

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