Two point charges lie on the x axis. A charge of 6.1 C is at the origin, and a charge of -9.3 C is at x = 10.0 cm. Part A What is the net electric field at x = -4.0 cm? Express your answer using two significant figures. View Available Hint(s) Submit Part B #|? N/C What is the net electric field at x = +4.0 cm? Express your answer using two significant figures. View Available Hint(s) E = Submit #? N/C