Use the following information to answer question 9 Three small charged spheres, X. Y. and Z. are located as shown below. The magnitude the electrostatic force that gy exerts on ofy is 0.21 N. 0.15 m -425 x 10 'C 4y = -2.0 x 10 ' c 9%=41.5 x 10 " c The magnitude of the net electrostatic force acting on qz is A. 1.4 N B. 0.99 N C. 0.39 N D. 0.030 N