QUIZ 1

4. (a) 56 km/h (b) 16 m/s (c) 51 ft/s
12. 30.46 (s)
14. 61 km/h
24. 2.61s.
28. (a) 113 m (b) 70 m
32. She should try to stop by putting on her brakes. She should NOT speed up. 
68. (a) 4.0 seconds  for the fugitive to catch the train. (b) 24 m = distance traveled to reach the box car.
74. 280 m/s2.