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Page 1: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

Name:

The Ultimate Work/Energy/Power Assignment

9406

1.

Page 2: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

9501

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3.

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Page 3: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

9606

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7.

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Page 4: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

9.

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Page 5: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 6: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 7: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 8: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 9: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 10: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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18.

Page 11: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

19.

Page 12: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 13: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 14: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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22.

Page 15: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 16: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 17: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 18: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 19: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 20: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 21: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 22: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 23: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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Page 24: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21
Page 25: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

Scholarship Questions! Really neat ones!

9506

41.

Page 26: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

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42.

Page 27: Name: The Ultimate Work/Energy/Power Assignment Energy Assignment Answers.pdf · 40. b) 1.2 J c) the work done on the spring or the potential energy stored in the spring 41. v=21

Answers:

1. b

2. d

3. a

4. b

5. b

6. b

7. c

8. a

9. c

10. c

11. b

12. c

13. v=20.7 m/s

14. b) 35 J c) the force applied to the

lawnmower

15. a) .90 J b) 7.7 m/s c) 20%

16. a) 1380 J b) 580 J c) 42%

17. c

18. b

19. a) 7.6 W b) 38 W

20. 18 m/s

21. b) 2.85 x 104 J

22. a) 1.16 x 104 J b) 190 N

23. a) 50 kg b) ½ of the mass

24. a

25. b

26. c

27. c

28. c

29. b

30. b

31. b

32. c

33. c

34. a) 9.1 m b) see my solution key

35. c

36. b

37. b

38. a

39. c

40. b) 1.2 J c) the work done on the

spring or the potential energy

stored in the spring

41. v=21 m/s

42. a) 23.1 m/s b) 42.9 m