A uniformly charged thin rod of length L = 0.485 m that has total charge Q = 6.19 mC. What is the magnitude\?

a uniformly charged thin rod of length L = 0.485 m that has total charge Q = 6.19 mC. What is the magnitude of the electrostatic force acting on an electron positioned on the axis of the rod at a distance d = 0.401 m from the midpoint of the rod?