Giancoli Physics (5th ed) Chapter 4

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Contents

1 Problems

Problems

1. Question

69.0 N

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2. Question

m = 116 kg

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3. Question

8.8 x 10² N

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4. Question

1.26 x 10³ N

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5. Question

6.5 x 10² N
1.1 x 10² N
2.4 x 10² N
0

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6. Question

a. 196 N
196 N
b. 294 N
98.0 N

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7. Question

-3.4 x 10³ N

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8. Question

153 N

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9. Question

m > 1.5 kg

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10. Question

1.29 x 10³ N in the direction of the ball's motion

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11. Question

2.1 x 10² N

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12. Question

1.3 x 10⁴ N

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13. Question

a = -3.5 m/s₂ (down)

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14. Question

5.04 x 10⁴ N
4.47 x 10⁴ N

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15. Question

a (downward) ≥ 2.2 m/s²

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16. Question

-2.5 m/s² (down)

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17. Question

a_max = 0.557 m/s²

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18. Question

a. a = 3/4 g = 7.4 m/s³ (down)
b. 1176 N

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19. Question

a. a = 2.2 m/s²
b. 18 m/s
c. t = 93 s

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20. Question

3.2 x 10³ N downward

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21. Question

a. 9.4 m/s
b. F_legs = 3.3 x 10³ N up

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22. Question

a. 1.5 x 10² N
b. v = 15.0 m/s

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23. Question

a. 40 N
b. 10 N
c, 0

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24. Question

southwesterly direction

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25. Question

Solution goes here

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26. Question

Solution goes here

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27. Question

a. F_a 19.0 N
57.5° below - x-axis
0.702 m/s/s, 57.5° below - x-axis
b. F_b = 14.0 N
51.0° above + x-axis
0.519 m/s/s, 51.0° above + x-axis

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28. Question

a. 62.2 N
c. 204 N
d. 100 N

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29. Question

a. 11 m/s/s
b. 4.3 m/s

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30. Question

a. 29 N
58 N
34 N
68 N

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31. Question

a. 8.0 x 10⁴ N
b. 1.25 x 10⁴ N

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32. Question

a. 3.2 x 10² N
b. 0.98 m/s/s

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33. Question

Solution goes here

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34. Question

22°

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35. Question

b. a = F/(m₁+m₂+m₃)
c. F_net1 =m₁a = m₁F/(m₁+m₂+m₃);
F_net2 =m₂a = m₂F/(m₁+m₂+m₃);
F_net3 =m₃a = m₃F/(m₁+m₂+m₃);
d. F(m₂ + m₃)/(m₁ + m₂ + m₃
Fm₃/(m₁ + m₂ = m₃
e. 2.67 m/s
F_net1 = F_net2 = F_net3 = 32 N
64 N
32N

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36. Question

h = 3.93 m

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37. Question

1.74 m/s/s

F_T1 = 22.6 N

20.9 N

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38. Question

1.0E2 N

no force

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39. Question

(a) 0.82
(b) 0.74

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40. Question

Solution goes here

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41. Question

0.41

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42. Question

2.3

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43. Question

m₁ = 6.7 kg

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44. Question

4.1 m

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45. Question

(a) 2.5 m/s/s
(b) 4.4 x 10²

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46. Question

(b) 47 m
(c) 2.8 x 10² m

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47. Question

-7.4 m/s²

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48. Question

Bonnie's

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49. Question

U_k = 0.40

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50. Question

0.32

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51. Question

t = 1.8s
no change

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52. Question

(a) 3.67 m/s²
(b) 8.17 m/s

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53. Question

(a) 1.2 m up the plane
(b) t - 1.6 s

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54. Question

(a) 1.85 m/s² 5.81 m/s
(b) 0.82 m up the plane 1.49 s

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55. Question

23m/s (85km/h)

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56. Question

101 N. U_k = 0.719

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57. Question

Solution goes here

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58. Question

Solution goes here

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59. Question

Solution goes here

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60. Question

Solution goes here

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61. Question

Solution goes here

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62. Question

Solution goes here

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63. Question

Solution goes here

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64. Question

Solution goes here

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65. Question

Solution goes here

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66. Question

Solution goes here

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67. Question

Solution goes here

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68. Question

Solution goes here

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69. Question

Solution goes here

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70. Question

Solution goes here

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71. Question

Solution goes here

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72. Question

Solution goes here

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73. Question

Solution goes here

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74. Question

Solution goes here

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75. Question

Solution goes here

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76. Question

Solution goes here

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77. Question

Solution goes here

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78. Question

Solution goes here

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79. Question

Solution goes here

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80. Question

Solution goes here

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81. Question

Solution goes here

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82. Question

Solution goes here

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83. Question

Solution goes here

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84. Question

Solution goes here

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85. Question

Solution goes here

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86. Question

Solution goes here

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87. Question

Solution goes here

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88. Question

Solution goes here

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89. Question

Solution goes here

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90. Question

Solution goes here

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91. Question

Solution goes here

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92. Question

Solution goes here

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93. Question

Solution goes here

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94. Question

Solution goes here

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95. Question

Solution goes here

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96. Question

Solution goes here

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97. Question

Solution goes here

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98. Question

Solution goes here

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99. Question

Solution goes here

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100. Question

Solution goes here

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