A thin, long rod of length 13.0 m lies along the x axis with its center at the origin. The total charge on the rod is −285 μC. (a) What is the net electric field at the location (0, 40.5 m)? (Express your answer in vector form.) E→rod = N/C (b) To see how the value of the electric field changes if y ≫ L, determine the net electric field at the location (0, 405 m). (Express your answer in vector form.) E→rod = N/C
