Adobe Reader Touch X a) 0.4 b) 1/4 c) 2 d) 4 //. Two electrons are (20 m m ) apart at closest approach. What is the magnitude of the maximum electric force that they exert on each other? (2.1) (0.5 point) (e = 1.60 x 10"C, k ~9.0 10' N . m/C2) 3 /5 P '9:07 ENG (4) $ 0 ~ 23.C .les, WhoiE Adobe Reader Touch X ///. A +5.0 uC point charge is placed at the 0 cm mark point of a meter stick and another -4.0 uC point charge is placed at the 50 cm mark point of stick. What is the net electric field at the 30 cm mark? ( k ~ 9 x 10' N . m/C2) (2.1) (0.5 point) P . 9:.V ENG () ) i O ~ 23'C . .es, WhoiE Adobe Reader Touch - X /V. A proton that is initially at rest is accelerated through an electric potential difference of magnitude 1500 V. (e = 1.60 x 10"C, mproton = 1.67 x 10"- kg) (2.2) (1.5 point) (a) How much the electric potential energy does proton lose? (b) How much the kinetic energy does proton gain? (c) What final speed does the proton will move? P . 9:.V ENG (> ) $ 0 6 23.C . .s, boi