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# Answers Even Numbers - Chapter 5 2(a 12 J(b 14.7 J(c 58.8...

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PHY2004 ASSIGNED PROBLEMS Answers for even numbered assigned problems (Answers for odd numbers are in the textbook.) Chapter 1. 22. (a) 10.3 m (b) -17.1 m (c) -4.59 m 24. s= 92.2 m, = 229.4 Chapter 2 30. a=7.35 10 4 m/s 2 t=6.8 10 -4 s 32. (a) a=0.133 m/s 2 (b) a =0 (c) x=60 m (d) 150 m 44. v=34.8 m/s t=6.1 s 50. t=2.47 s v=20.2 m/s Chapter 3 2. (a) 7840 n (b) m=5102 kg 10. (a) 5 kg (b) 19.5 N 18. 78 N 22. 332 N 30. 13.2 N 36. 1.98 10 20 N Chapter 4. 4. (a) 84.8 N, (b) 34.8 N, (c) 109.8 N, (d) 84.8 N, (e) 67.8 N 14.  static     (kinetic) = 0.257

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Unformatted text preview: Chapter 5. 2. (a) 12 J (b) 14.7 J (c) 58.8 N (d) -35.3 J (e) 0 12. (a) 137,200 J (b) 0 (c) -137,200 J 16. (a) 1000 J (b) 1.29 m (c) 881.8 J (d) 9.1 N 36. 3.33 N Chapter 6. 2. efficiency=69.44% 18. F=2250 N, 20. Efficiency= 0.48, 22. F1=131.8 N. Chapter 7. 2. (a) P= 8.33 kg m/s, (b) N=50 ft/s, (c) p= 9291.9 kg m/s; 26. V 2f = 1.083 m/s,; 30. V af = -2m/s Chapter 8. 20. (a) 120 N m, (b0 60 N m, (c) 0, (d) 30 Nm (down) 26. 175 N. Chapter 9. 8. 7.27 10 -5 rad/s; 16. (a) 2.667 rad/s, (b) 1.499 s (c) 5.308 rev; 22. 353.8 s, 30. 15.33 m/s...
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Answers Even Numbers - Chapter 5 2(a 12 J(b 14.7 J(c 58.8...

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