Part A A thin solid barrier in the ry-plane has a 8.0-jim-diameter circular hole An electron traveling Afterward, is it certain that ex is still zero? in the z-direction with D. = 0 m/s passes through the hole. It is not certain that vo, is zoro. It is certain that or is zero. Previcars Answers Correct Part B If not, within what range is v. likely to be? Express your answer with the appropriate units. + OR ? Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining