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PES Skill Sheets.book - Capital High School

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10. 410 miles<br />

11. 6.6 miles<br />

--------------------hour<br />

12. 22.2 lbs<br />

13. 55 kg<br />

14. 5.4977 miles<br />

15. $280<br />

16. About 10 years<br />

17. 53 grams<br />

18. 0.11 miles<br />

-----------------------hour<br />

19. 270 pills<br />

20. 95 feet/sec<br />

<strong>Skill</strong> Sheet 4.1: Percent Error<br />

Table answers: 1. ≈ 0.43%<br />

Distance from A to B<br />

(cm)<br />

<strong>Skill</strong> Sheet 4.1: Speed<br />

1. 17 km/hr<br />

2. 55 mph<br />

3. 4.5 seconds<br />

4. 5.9 hours; 490 mph<br />

5. 4.0 km<br />

6. 2.5 miles<br />

7. 4.5 meters<br />

8. Answers are:<br />

a. 2.54 cm/inch<br />

b. 12 inches/min<br />

9. 6 km/hr<br />

10. Answers are:<br />

a. 600 seconds<br />

b. 10 minutes<br />

11. 1,200 meters<br />

12. Answers are:<br />

a. 42 km<br />

b. 9.3 km/hr<br />

Time from A to B<br />

(s)<br />

10 1.0050<br />

20 1.8877<br />

30 2.8000<br />

40 3.7850<br />

50 4.7707<br />

60 5.6101<br />

70 6.9078<br />

80 7.9648<br />

90 9.0140<br />

Page 12 of 57<br />

2. ≈ 3.30%<br />

3. ≈ 1.34%<br />

4. ≈ 0.16%<br />

5. ≈ 0.16%<br />

6. Answers are:<br />

a. Avg. ≈ 17.18 s; percent error ≈ 5.06%<br />

b. Avg. = 38.39 s; percent error ≈ 9.61%<br />

c. Avg. = 67.91 s; percent error ≈ 0.68%<br />

13. Answers are:<br />

a. 0.2 km/min<br />

b. 0.5 km/min<br />

c. 0.3 km/min faster by bicycle<br />

14. 12.5 km<br />

15. 40 minutes<br />

16. 90. km/hr<br />

17. 820 km/hr<br />

18. 32.5 km or 33 km<br />

19. 8 hours<br />

20. 633 km/hr<br />

21. 731 km/hr<br />

22. 1,680 km<br />

23. 3.84 × 10 5 km<br />

24. 2.03 × 10 4 seconds<br />

25. Answers for 25 (a)–(c) will vary. Having students write their<br />

own problems will further develop their understanding of<br />

how to solve speed problems.

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