Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on

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Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.12 nC at the origin. (Let r12 = 0.320 m.)
Three point charges lie along the axes in the x y-coordinate plane.
Positive charge q is at the origin.
A charge of 6.00 nC is at (r1 2, 0), where r1 2 > 0.
A charge of −3.00 nC is at (0, −0.100 m).