Three point charges are located on a circular are as shown in the figure below. (Take r = 4.08 cm. Let to the right be the +x direction and up along the Screen be the +y direction.) +3.00 nC 2.00 M: +3.00 nC Q) (a) What is the total electric field at P, the center of the arc? _, E=[:ii~/C+:3WC Find the electric force that would be exerted on a- -5 35- nC point charge placed at P. (b)