Four charges are placed at the corners of a 44.31 cm square. The four charges are as follows: 16.63 microCoulombs at x=0

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Four charges are placed at the corners of a 44.31 cm square. The
four charges are as follows: 16.63 microCoulombs at x=0 and y=0;
-10.29 microCoulombs at x= 44.31, y = 0; -17.1 microCoulombs at
x=44.31, y =44.31; and 20.89 microCoulombs at x=0 and y =44.31.
Determine the magnitude of the force on a 1 microCoulomb charge
placed at the center of the square.