1. 5.2 m
2. vx = 5.0 m/s, vy = -10. m/s
3. 11. m/s at 64 degrees above (or below) horizontal
4. 2.3 m
5. 2.40 m
6. a) 1.78s, b) 20.8 m/s at 56.8 degrees above (or below) horizontal
7. 0.845 m
8*. 5.2 m
9*. 4:1
10. a) vx = 13.0 m/s, vy = 10.9 m/s b) 6.07 m c) 2.22 s d) 28.9 m e) vx = 13.0 m/s, vy = -10.9 m/s f) 17.0 m/s at 40.0 degrees above horizon
11. a) 3.88 s b) 158 m c) 12.2 m, yes, it will clear it!
12. 21.5 m
13. 34.1 degrees
14. 10.0 m/s
15. a) t= 14.3 s b) 1140 m c) vx = 79.9 m/s, vy = -79.8 m/s d) 113 m/s at 45.0 degrees
16.* 1380 m
17.* 4.15 m/s
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