Initial Data: Mass (g) Mass (our units) Steel ball 8.4 g 1.000 Glass ball 3.3 g 0.39286 TABLE 2. The Masses (according to manual) Analysis + Data: P = mv P, = m v. K = ,mv 2 K, = ,mv 2 1 1 2 2 Initial 45 cm 0 cm 45 cm 0 1012.5 0 Final - Elastic 44.2 cm 19.7 cm 44.2 cm 7.74 976.82 76.2 Final - 43.8 cm 15.9 cm 43.8 cm 6.25 959.22 49.66 Inelastic TABLE 3. Initial and final velocity and momentum magnitudes and kinetic energies of the steel and glass balls in the lab frame.K - K, (K, - K2) Final / (K, - K2) initial Initial 1012.5 Final - Elastic 1053.02 1.04 Final - Inelastic 1008.88 0.996 TABLE 4. Total kinetic energy. V CM 32. 3 V 1CM 2CM P1CM = mv 1 1CM P 2CM = mv 2 2CM Initial 12.7 -32.3 12.7 -12.68 Final - Elastic 11.9 -12.6 11.9 -4.95 Final - Inelastic 11.5 -16.4 11.5 -6.44