Consider two point charges located on the x axis: one charge, q1 = -11.5nc , is located at x1 = -1.685m ; the second charge, q2 = 40.0nc , is at the origin (x=0.).what is the net force exerted by these two charges on a third charge q3 = 55.0nc placed between q1 and q2 at x3 = -1.195m ?