Answers to Chapter 2 Problems
1. 0.98 m/s 2. 12.5 km/hr 3. 1.2 m/s 4. 50,000 yrs 5. 9.15 football fields 6. a) 490 km b) 78 km/h 7. 7200 m 8. 8.20 m/s^2 9. 4.0 s 10. 3.44 m/s 11. a) north b) 7.1 m/s 12. 4.5 m 13. a) 1.6 m/s^2 b) 20.0 m 14. a) 170 cm/s^2 b) .15 s 15. -.69 m/s^2 16. 97.1 m/s 17. -91.5 m/s 18. 1.11 s 19. 0.47 s 20. 1.7 s 21. 0.40 s 22. 13.2 m/s
Answers to Chapter 2 Review (test on Mon 10/15 (3rd Period) or Tues 10/16 (5th Period)):
1. 0.0802 km 2. 70.0 km/h 3. 11.4 s 4. 89.3 m 5. -15.2 m/s 6. -60.1 m 7. -1.5 m/s^2 8. a) 5.3 m/s b) 233 m 9+10. we will go over in class
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