Exercises 4.5, page 131

  1. 1. 2090 ft

  2. 3. 50.7 ft

  3. 5. 8.0 ° 

  4. 7. 0.4 ° 

  5. 9. Z = 19.2 Ω  ,  ϕ = 51.3 ° 

  6. 11. 25.3 ft

  7. 13. 0.21 mi

  8. 15. 850.1 cm

  9. 17. 26.6 °  ,  63.4 °  ,  90.0 ° 

  10. 19. 23.5 ° 

  11. 21. 8.1 ° 

  12. 23. 3.4 ° 

  13. 25. 3.07 cm

  14. 27. 651 ft

  15. 29. 30.2 ° 

  16. 31. 865,000 mi

  17. 33. 4.1 ° 

  18. 35. 47.3 m

  19. 37. 2100 ft

  20. 39. A = a(b + acos θ)sin θ

  21. 41. d = 2xtan(0.5 θ)

  22. 43. 35.3 ° 

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