ultimate vector dynamics answer key - pittmath.compittmath.yolasite.com/resources/ultimate vector...
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Physics 12 Name:
The Ultimate Vector Dynamics Assignment
9701
1.
2.
9706
3.
2
9708
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5.
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3
7.
4
9801
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9.
5
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6
9806
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12.
7
9808
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8
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9
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10
9906
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11
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12
9908
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13
24.
14
0001
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26.
b) Find the acceleration of mass m2. (5 marks)
15
0006
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28.
0008
29.
16
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31.
0101
32.
17
33.
34.
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Scholarship Questions:
9401
35.
b) What is the acceleration of the elevator? (4 marks)
c) What is the magnitude of the frictional force of the brakes against the walls of the
shaft? (4 marks)
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9406
36.
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9501
37.
21
38.
b) If 0.150 kg of mass is transferred from the box to the hanger, what is the acceleration
of the system? (7 marks)
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9506
39.
b) Find the tension in the string. (5 marks)
23
9601
40.
b) What is the coefficient of friction between the block and the ramp? (7 marks)
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Answers:
1. b
2. b
3. b
4. c
5. a
6. d
7. a) see my solution b) m=16 kg
8. a
9. b
10. a) 50.3 N b) 26.2 N c) 2.1 m/s2
11. a
12. a) 1.8 m/s2 b) 13.3 kg
13. b
14. b
15. d
16. b
17. 1.7 m/s2
18. a
19. b
20. c
21. b
22. d
23. a
24. a) see my key b) 7.3 m/s2
25. c
26. a) see my key b) 5.7 m/s2
27. c
28. d
29. b
30. c
31. a
32. d
33. b
34. d
35. b) 3.24 m/s2
c) 4.76 x 103 N
36. 4.6 m/s2
37. 7.0 x 102 m
38. a) 0.249 b) 3.27 m/s2
39. a) 3.6 m/s2
b) 27.3 N
40. a) 0.83 m/s2
b) 0.27