Question 5 An alpha particle is injected into a set of parallel plates beside the positive plate. The alpha accelerates from rest across a potential difference of 4.00 x 104 V. Not yet answered Calculate the final speed of the alpha the instant before it strikes the negative plate. Marked out of 1.00 O a. 1.95 x 1012 m/S Flag O b. 3.84 x 1012 m/'s question O c. 1,96 x 106 m/s O d. 2.01 x 106 m/'s