An electron is accelerated inside a parallel plate capacitor. The electron leaves the negative plate with a negligible initial velocity and then after the acceleration it hits the positive plate with a final velocity . The distance between the plates is 12.5 cm, and the voltage difference is 150 kV. Determine the final velocity of the electron using classical mechanics. (The rest mass of the electron is 9.11x10-31 kg, the rest energy of the electron is 511 kev.) 2.295E8 Submit Answer Incorrect. Tries 5/12 Previous Tries What is the final velocity B of the electron if you use relativistic mechanics? Submit Answer | Tries 0/12