3. Radiation (6 points) Radioactive atoms can decay by emitting several different particles. These particles can be observed using cloud chambers; particles ying through a cloud chamber leave visible trails of tiny bubbles, which are then photographed. The particles, as indicated by arrows, enter the chamber from the side, traveling in the x direction. The cloud chamber, which is a box 10 cm on each side, is put in a constant magnetic eld E = 0.044T in the z direction. Final Exam, page 3 at 5 (a) (3 points) An electron with mass m, = 9.1 x 10'31 m enters the cloud chamber with a velocity v = 5.6 x 107 m/s. Draw the path of the electron in your solutions, and compute the radius of curvature. (b) (2 points) An alpha particle (consisting of two protons and two neutrons), with mass of ma = 6.6 x 10-27 kg, enters the cloud chamber with the same velocity as the electron. Draw the path of the alpha particle in your solutions and explain how and why the alpha particle's track is different from that of the electron? (c) (1 point) Mystery particle X (not shown) enters the chamber and makes a straight line path. What can you conclude from this about particle X? Explain your reasoning