Giancoli Physics (5th ed) Chapter 7

Problems

1. Question

0.18 kg * m/s

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2. Question

-0.720 m/s (opposite the direction of the package)

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3. Question

5.2x10⁷ N, up

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4. Question

V = 4.8 m/s

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5. Question

V = 12.3 m/s

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6. Question

M₂ = 1.6x10⁴ kg

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7. Question

0.491 m

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8. Question

v = 5.1x10² m/s

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9. Question

6.7x10³ m/s

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10. Question

4.2x10³ m/s

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11. Question

0.39 m/s

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12. Question

a.) 4.70 x 10³ m/s b.) 5.90 x 10⁸ J

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13. Question

140 kg

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14. Question

130 N

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15. Question

1.32x10⁴ N

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16. Question

(a) 2.0 N * s
(b) 4.0x10² N

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17. Question

2.1 N * s

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18. Question

a.) 4.6 x 10²kg * m/s (East) b.) -4.6 x 10²kg * m/s (West) c.) +4.6 x 10²kg * m/s (East) d.) 6.1 x 10² N (East)

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19. Question

a.) 5.0 N b.) 83 m/s

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20. Question

69 m

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21. Question

1.23 m/s, 4.93 m/s

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22. Question

-1.00 m/s(rebound), 2.00 m/s

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23. Question

-3.00 m/s(rebound), 2.00 m/s

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24. Question

0.70 m/s, 2.20 m/s

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25. Question

a) 1.8 m/s b) 1.1 kg

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26. Question

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27. Question

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28. Question

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29. Question

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30. Question

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31. Question

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32. Question

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33. Question

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34. Question

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35. Question

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36. Question

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37. Question

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38. Question

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39. Question

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40. Question

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41. Question

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42. Question

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43. Question

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44. Question

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45. Question

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46. Question

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47. Question

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48. Question

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49. Question

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50. Question

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51. Question

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52. Question

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53. Question

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54. Question

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55. Question

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56. Question

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57. Question

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58. Question

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59. Question

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60. Question

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61. Question

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62. Question

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63. Question

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64. Question

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65. Question

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66. Question

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67. Question

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68. Question

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69. Question

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70. Question

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71. Question

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72. Question

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73. Question

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74. Question

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75. Question

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76. Question

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77. Question

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