halaalorini18 halaalorini18 23-02-2020 Physics contestada A +5.0 uC point charge is placed at the 0 cm mark of a meter stick and a -4.0 °C charge is placed at the 50 cm mark. What is the net electric field at the 30 cm mark? (k = 1/4nę, = 8.99 x 10'Nm²/C3 (2.1) (1 poi