Part D Application [Full Solutions are Reguircdl [20 marks] 14. An electron is released from rest at the negative plate in a parallel plate apparatus kept under vacuum and maintained a potential difference of 5.0 X 10l V. With what speed does the electron collide with the positive plate? (m = 9.11 xlO'31kg, q = 71.6x10'19C) [2 marks] 15. A lSOOkg satellite is moved from an orbit of2 Earth radii to an orbit of 2.5 Earth radii. How much energy is required to accomplish this? (ME: 598 x 1024 kg, R5 = 638 x 10 6m) (4 marks)