The charges and coordinates of two charged particles held fixed in an xy plane are q = +3.0 C, x = 3.5 cm, y = 0.50 cm, and 92 = 4.0 C, x2 = -2.0 cm, y2 = 1.5 cm. Find the (a) magnitude and (b) direction of the electrostatic force on particle 2 due to particle 1. At what (c) x and (d) y coordinates should a third particle of charge 93 = +4.0 C be placed such that the net electrostatic force on particle 2 due to particles 1 and 3 is zero?