Pick the appropriate response.

1. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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2. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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3. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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4. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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5. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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6. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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7. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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8. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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9. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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10. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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11. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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12. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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13. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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14. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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15. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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16. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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17. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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18. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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19. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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20. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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21. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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22. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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23. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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24. Consider the motion diagram below. Choose the appropriate t = 0 reference circle diagram.

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25. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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26. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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27. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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28. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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29. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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30. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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31. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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32. Consider the block and spring diagram below. Choose the appropriate t = 0 reference circle diagram.

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33. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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34. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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35. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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36. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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37. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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38. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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39. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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40. Consider the pendulum diagram below. Choose the appropriate t = 0 reference circle diagram.
    

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41. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

42. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

43. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

44. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

45. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

46. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

47. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

48. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

49. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

50. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

51. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

52. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

53. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

54. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

55. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

56. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

57. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

58. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

59. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

60. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

61. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

62. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

63. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

64. Consider the motion diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

65. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

66. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

67. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

68. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

69. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

70. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

71. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

72. Consider the block and spring diagram below. Choose the appropriate phase constant φ₀.

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

73. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

74. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

75. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

76. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

77. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

78. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

79. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

80. Consider the pendulum diagram below. Choose the appropriate phase constant φ₀.
    

    1.   ?    0°
    2.   ?    45°
    3.   ?    90°
    4.   ?    135°
    5.   ?    180°
    6.   ?    225°
    7.   ?    270°
    8.   ?    315°

81. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

82. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

83. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

84. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

85. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

86. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

87. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

88. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

89. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

90. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

91. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

92. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

93. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

94. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

95. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

96. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

97. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

98. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

99. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

    1.   ?    
    2.   ?    
    3.   ?    
    4.   ?    
    5.   ?    
    6.   ?    
    7.   ?    
    8.   ?    

100. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

     1.   ?    
     2.   ?    
     3.   ?    
     4.   ?    
     5.   ?    
     6.   ?    
     7.   ?    
     8.   ?    

101. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

     1.   ?    
     2.   ?    
     3.   ?    
     4.   ?    
     5.   ?    
     6.   ?    
     7.   ?    
     8.   ?    

102. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

     1.   ?    
     2.   ?    
     3.   ?    
     4.   ?    
     5.   ?    
     6.   ?    
     7.   ?    
     8.   ?    

103. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

     1.   ?    
     2.   ?    
     3.   ?    
     4.   ?    
     5.   ?    
     6.   ?    
     7.   ?    
     8.   ?    

104. Consider the motion diagram below. Choose the appropriate reference circle diagram for the time at the dashed line.

     1.   ?    
     2.   ?    
     3.   ?    
     4.   ?    
     5.   ?    
     6.   ?    
     7.   ?    
     8.   ?    

105. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

106. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

107. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

108. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

109. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

110. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

111. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

112. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

113. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

114. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

115. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

116. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

117. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

118. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

119. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

120. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

121. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

122. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

123. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

124. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

125. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

126. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

127. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

128. Consider the motion diagram below. Choose the appropriate phase angle for the time at the dashed line.

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

129. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

130. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

131. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

132. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

133. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

134. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

135. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

136. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Position is at a maximum.
     2.   ?    Position is positive and moving toward equilibrium.
     3.   ?    Position is at equilibrium and moving toward a minimum.
     4.   ?    Position is negative and moving toward a minimum.
     5.   ?    Position is a minimum.
     6.   ?    Position is negative and moving toward equilibrium.
     7.   ?    Position is at equilibrium and moving toward a maximum.
     8.   ?    Position is positive and moving toward a maximum.

137. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

138. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

139. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

140. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

141. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

142. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

143. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

144. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Velocity is at a maximum.
     2.   ?    Velocity is positive and moving toward zero.
     3.   ?    Velocity is zero and moving toward a minimum.
     4.   ?    Velocity is negative and moving toward a minimum.
     5.   ?    Velocity is a minimum.
     6.   ?    Velocity is negative and moving toward zero.
     7.   ?    Velocity is zero and moving toward a maximum.
     8.   ?    Velocity is positive and moving toward a maximum.

145. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

146. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

147. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

148. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

149. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

150. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

151. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

152. Consider the reference circle below for a simple spring and block system. Choose the correct response.
     
     

     1.   ?    Acceleration is at a maximum.
     2.   ?    Acceleration is positive and moving toward zero.
     3.   ?    Acceleration is zero and moving toward a minimum.
     4.   ?    Acceleration is negative and moving toward a minimum.
     5.   ?    Acceleration is a minimum.
     6.   ?    Acceleration is negative and moving toward zero.
     7.   ?    Acceleration is zero and moving toward a maximum.
     8.   ?    Acceleration is positive and moving toward a maximum.

153. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

154. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

155. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

156. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

157. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

158. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

159. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°

160. Consider the t = 0 reference circle below for a simple spring and block system. Choose the correct phase angle φ₀.
     
     

     1.   ?    0°
     2.   ?    45°
     3.   ?    90°
     4.   ?    135°
     5.   ?    180°
     6.   ?    225°
     7.   ?    270°
     8.   ?    315°