QUIZ 8///General Theory of Collisions and Momentum Conservation: 2 (b) and (c) only, 8 , 13, Inelastic collisions 63, 74, 29, elastic collisions 31, 35, 18 (check if elastic), Impulse = Force*time = change in momentum 40 (try 44 !) center of mass 46 (try 52 and 51) |
2. In units kg*m/s, momentum components Px, Py (a) 180, 312 (b) -24, 27 (c) 29.7, 61.3 (d) 5.7, -73.7 |
8. (a) -1.74 m/s (b) 180 J |
74. 960 m/s |
18. (a) 53.1 degrees (b) -0.0015 |
40. 0.593 kg*m/s |
46. (a) 1350 m/s (b) 1.2x10 8 J |