A proton, a deuteron [q = +8, m = 2.0 u}, and an alpha particle {q = 28, m = 4.0 u} are accelerated through the same potential r > difference and then enter the same region of uniform magnetic eld 3. moving perpendicular to B. (a) What is the ratio of the proton's kinetic energy KP to the alpha particle's kinetic energy Kg? [b) What is the ratio of deuteron's kinetic energy Kd to K\"? Assume that the radius of the proton's circular path is 13.4 cm. {C} What is the radius of the deuteron's path? Id] What is the radius of the alpha particle's path? [a) Number Units No units v Ila) Number Units No units v [c] Number Units cm v [d] Number Units cm v