Given two particles with Q = 4.00-|.IC charges as shown in the figure below and a particle with charge q = 1.37 x 1.018 C at the origin. (Note: Assume a reference level of potential V = 0 at r = 00.) 7\" Q I I; Q :b';HCb) 1. 2 4mm} :11 I} x = 0.800111 X (a) What is the net force (in N) exerted by the two 4.00-|.IC charges on the charge q? (Enter the magnitude.) (b) What is the electric field (in WC) at the origin due to the two 4.00-pC particles? (Enter the magnitude.) G we (c) What is the electrical potential (in kV) at the origin due to the two 4.00-|.IC particles? (d) What If? What would be the change in electric potential energy (in J) of the system if the charge g were moved a distance d = 0.400 m closer to either of the 4.00-pC particles? 4 4.119-13 x J