Negative charge -Q is distributed uniformly around a quarter-circle of radius a that lies in the first quadrant, with the center of curvature at the origin. Part A Find the x-component of the net electric field at the origin. Express your answer in terms of the variables Q, a, and constant k. Submit Request Answer Part B Find the y-component of the net electric field at the origin. Express your answer in terms of the variables Q, a, and constant k.