5. (a) 57 m (b) s (c) m m
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1 Appendix C Answers These pages include numerical and short answers to Are You Ready? questions, chapter section questions, and Chapter Self-Quiz, Chapter Review, Unit Self-Quiz, and Unit Review questions. Unit 1 Are You Ready?, pp baseball player 7. (a) static friction (b) gravity, normal, applied, kinetic friction 12. 6:10 p.m. 13. (a) km (b) 0 N 14. (a) 27 N [E] (b) 2.2 m/s 2 [E] 15. (a) 140 N; 140 N (b) 31 N; 31 N; 4.5 N; 4.5 N (c) 46 N; 46 N; 8.6 N; 3.4 N 16. (a) 150 N (b) 170 N (c) normal force of scale 17. a m; b m; c m; d m 18. c cm; x ; y Questions, p (a) 33 m (b) 7.5 m/s (c) 5.6 m/s [E 278 N] 4.17 m/s (b) 696 s 3. (a) 7.6 m/s (b) 6.6 s 4. (a) 170 m/s (b) 170 m/s [E 158 N] m/s 2 [W] m/s [E] m/s 2 [forward] 8. (a) 29 m/s [E] (b) 37 m/s [E] (c) 17 m/s [E]; 33 m/s [E]; 50 m/s [E] 9. (a) 5 m/s 2 [backward] (b) 3 m/s 2 [backward] 6 m/s 2 [backward] 9 m/s 2 [backward] 1.2 Questions, p (a) 55 m [forward] (b) 21 m/s [forward] m/s 2 [W] (b) s 3. (a) 11 s (b) m (c) km/h (d) 24 s 5. (a) 12 m/s [up] (b) 7.1 m 6. (a) 5.0 s (b) m/s [down] (c) 49 m 7. (a) m/s [up] (b) m (c) 47 s 8. (a) (i) ii28 m (ii) i85 m (iii) 48 m 1.3 Questions, p (b) 7.0 km [N] cm [E] m [W]; 1.97 m [N] m [E]; 12.5 m [N] 5. (a) 59 m (b) [E 248 N] km [W 298 S] m [E 788 S] 8. (a) 5.84 km [E]; 2.25 km [S] (b) 6.26 km [E S] km [W N] km [W 328 N] km [W]; 230 km [W] 1.4 Questions, p m (b) 85.0 m [E S] (c) 0.42 m/s (d) 0.35 m/s [E S] km/h [W N] km [N 118 E] s m/s 2 [E 768 N] m/s 2 [E S] m/s 2 [N] m/s [W 448 S] m/s [E 658 N] 1.5 Questions, p m/s s (b) km (c) 31 km 3. (a) 67 m (b) 37 m/s [828 below the horizontal] 4. (a) m/s [538 above the horizontal] (b) 32 m (c) 4.4 m 5. (a) 57 m (b) s (c) m m 1.6 Questions, p (a) 34 min (c) 28 min 200 m/s [W 208 N] (b) 36 min 3. (a) m/s [N] (b) 44 m/s [N] (c) 65 m/s [N 168 W] (d) 76 m/s [N 9.18 W] 4. (a) 0.44 m/s [W] (b) 0.78 m/s [S 348 W] (c) [S 438 E] km/h [S 498 E] 6. (a) [N 6.28 W] (b) 0.84 h 7. (a) m/s (b) m/s 8. (a) 3.8 m/s [E 328 up] (b) 4.9 m/s [E 148 up] 9. (a) 17.7 m/s [down W] (b) 6.07 m/s [down] [N 218 W] (b) 280 km/h Chapter 1 Self-Quiz, p (b) 6. (d) 11. F 2. (d) 12. T 8. F 13. F 9. T 14. T 5. (a) 10. F 15. F Chapter 1 Review, pp (a) 2. (b) 3. (a) 4. (a) 5. (c) 6. (b) 7. T 8. F 9. T 10. F 11. T 12. F 13. T 15. (a) no (b) yes 16. yes 17. yes 19. both decrease m m/s 2 [backward] 40. (a) 4.5 m/s 2 [forward] (b) 12 s 41. (a) 4.00 m/s 2 [backward] (b) 5.00 s m/s 2 [backward] m 44. (a) increase (b) 6.2 m m/s [W] 46. (a) 100 m (b) 20 m/s m 48. (a) 3.1 s (b) 46 m (c) 2.0 s (d) 4.1 s (e) 6.1 s 49. (b) 1.2 m/s 2 [N] m 54. (b) 0 m/s 2 (c) 30 s (d) both 300 m [W] m 56. x-component units y-component units km [N W] 58. (a) x-component m y-component m (b) 7.9 m [218 above the x-axis] m/s 2 [W 518 N] m/s m/s 2 [forward] 5.0 m/s m/s 64. (a) ball A (b) ball A (c) no m/s m/s s 68. (a) 138 m (b) 318 m m/s 714 Appendix C NEL
2 7 34 m (b) 158 (c) 3.8 s 73. (a) 4.4 m (b) 27 m/s 74. (a) 0.70 s (b) 19 m (c) 28 m/s km/h [N E] km/h m m/s [608 upstream] km/h [E 318 S] 2.1 Questions, p (a) 2.3 N [S 128 W] (b) 7.8 N [N 198 W] N [W 34 S] 7. (a) 14 N [S]; 6.1 N [W] (b) 14 N [N] (c) 15 N [S 248 W] N [E 258 N] 9. (b) 94 N [up] (c) 49 N [backward] 2.2 Questions, p (a) 0.61 m/s 2 [W] (b) 6.9 s kg 5. (a) 50 N (b) s m/s 2 [S 228 W] 8. (a) 51 N (b) 51 N m/s 2 [backward 25 up] 2.3 Questions, p N [E 178 S] N; 440 N; 510 N N; N 5. (b) 1.9 m/s 2 [forward] (c) 200 N [up] (d) 4.4 m/s [forward] 6. (a) 5.4 N [up ramp] (b) 8.2 N [up ramp] 2.4 Questions, p m/s 3. (a) 0.18 (b) (a) 168 (b) 0.28 m/s 2 [down incline] 6. (a) yes (b) 120 N (c) 2.1 m/s 2 7. (a) 0.90 (b) m/s 2 [clockwise] Chapter 2 Self-Quiz, p (c) 11. F 7. (b) 12. F 8. (d) 13. T 4. (b) 9. F 5. (c) 10. T 15. F Chapter 2 Review, pp (b) 3. (c) 4. (a) 5. (d) 6. (a) 8. (c) 9. (b) 10. F 11. F 12. T 13. F 14. T 15. F 17. F 18. T 19. T N [up] m/s m/s 2 [E] N 28. no N N [downward] m/s 2 [E 338 N] N [W 39 S] 36. (a) 5.0 m/s 2 (b) 17 N 37. (c) N (d) N 39. (a) 2.9 m/s 2 [E] (b) m 40. (a) 2.3 m/s 2 [W] (b) 3.0 N [W] 41. (a) 34 N (b) 19 N 4 27 N (b) (a) 760 N; 920 N N [N 288 up] N N m/s 2 ; 63 N; 27 N N N 50. (a) 65 kg (b) N N (b) N 57. (a) 10 N [up the plane] (b) static N (b) 4.2 m/s m/s m/s 2 [E] N 68. (b) N 69. (f); (c); (e); (d); (b); (a) 71. (a) 7.9 m/s 2 ; 5.7 m/s 2 (b) 5.0 s; 5.9 s; no m/s % 74. (b) skier 1: 1.5 m/s 2 skier 2: 1.8 m/s Questions, p (a) straight up and down (b) parabola m/s N m/s 2 [down] 7. (b) 2.9 m/s 2 8. (a) 39 N (b) 17 N 3.2 Questions, p (b) 1 2 a (c) 4a 2. 4: m/s m/s m/s Hz m km/h 9. (a) 1.00 s (b) 11.8 m/s 2 [N] m 29.3 m/s (b) 85 m 3.3 Questions, p m/s 2. (b) N (c) 20 m/s m/s m/s 3.4 Questions, p (d) 368 (e) 0.96 N 5. no 6. (a) s (b) 31 m/s (c) 7.3m (d) 13m (e) with the rotation 7. (a) 8.3 m/s 2 [down] (b) 35 m/s (c) 27 s 8. (a) m/s Questions, p (a) 23 m/s (c) 3g : N [up] Chapter 3 Self-Quiz, p (c) 6. (c) 11. T 2. (c) 12. T 3. (c) 8. (b) 13. F 9. F 5. (d) 10. F Chapter 3 Review, pp (a) 4. (b) 5. (c) 6. (d) 7. F 8. T 9. F 10. F 11. T 12. F 13. F 15. T 16. (a) 4a (b) 1 2 a 17. faster 19. (a) gravity (b) friction (c) tension 20. (f) 2.3 m/s (a) 1.6 m/s 2 (b) m/s 2 (c) m/s m/s m/s m/s engine 5 3F cargo car 26. (a) N (b) N (c) N m/s 28. (a) N (b) 0.27 N (c) N NEL Answers 715
3 N m/s m/s m 33. (a) N (b) N N 35. (c) F T cos u (d) N m/s N m/s N 41. (a) 8 kg (b) 1 m/s 4 4F N 44. string A: 414 N string B: 296 N 45. (a) 3.8 m/s (b) 21 N 46. support A: N support B: N 47. (b) 8.6 m/s 48. string A: N string B: N N N m/s m 54. (a) centrifugal force (b) tension (c) 30 N 55. (a) 0.92 (b) 0.37 loops/s (c) top: N bottom: N N m km/h Unit 1 Self-Quiz, pp (b) 10. (d) 2. (c) 20. T 3. (a) 12. (b) 21. T 13. (c) 22. F 5. (b) 14. (d) 23. T 6. (c) 15. (d) 24. F 7. (c) 16. (d) 25. T 8. (d) 26. T 9. (b) 18. F Unit 1 Review, pp (c) 4. (b) 5. (b) 6. (c) 7. (a) 8. (b) 9. (c) 10. (b) 12. F 13. F 14. T 15. F 18. T 20. F 21. T 2 (vi) (b) (viii) (c) (vii) (d) (x) (e) (ix) (f) (i) (g) (iii) (h) (ii) (i) (v) (j) (iv) m/s constant acceleration 29. Dd > T 5 "1Dd x Dd y Dd x 5 v i 2 sin 2u g 33. (a) overhead (b) straight down km/h [N] 36. (a) mg sin u (b) mg cos u 39. F net N 47. 4a 48. v 2 5 gr 50. (a) 0 m (b) 3.9 km/h (c) 0 km/h 54. (a) perpendicular 55. (a) Dd y 5 v i sin udt g1dt2 2 (b) Dd y g1dt2 2 (c) Dd y g1dt v > PE 5 v > PA 1 v > AE 66. (c), (a), (d), (b) 68. (a) 220 m [W] (b) 22 m/s [W] 69. (a) 5 s (b) 2 m/s m/s m/s s m/s m [N], 62.5 m [E] 75. (a) 188 km [E S] (b) 27.9 km/h [E S] (c) 45.0 km/h m/s 2 [E 418 N] 77. (a) 4.5 s (b) 1.3 km 78. (a) 25 s (b) 6.6 km (c) 8.7 km 79. (a) 736 km/h [E S] (b) 112 km s or 0.73 h 81. (b) N N m/s 2 ; 1.8 m/s (a) N (b) 242 kg (c) m/s (a) N (b) N h m/s 89. (a) 8.8 m/s 2 (b) 16 s 90. (a) 72.8 m/s (b) N m/s m/s (b) 14.0 m/s 94. (a) 4.2 s (b) 34 s (c) 190 m 96. (a) 2.7 m/s 2 (b) 49 km/h (c) 150 km/h 98. (a) 620 N (b) 620 N 99. (a) 4.7 m/s 2 Unit 2 Are You Ready?, pp m/s 2 9. (b) 1.5 N [toward the cup] 11. x 5 5 or x E g ~ h (b) E k ~ v 2 (c) a > ~ F > a 13. (a) F x N; F y 5 0 N (b) F x N; F y N (c) F x 5 0 N; F y N 4.1 Questions, p J (a) 120 N [down the ramp] (b) 120 N [up the ramp] (c) J (d) W worker J W friction J W total J J 4.2 Questions, p yes no (b) 140 times J J : km/h km/h N m/s m/s J 1 quadratic (c) 2 kg (d) E k 5 v Questions, p (a) 49 J (b) 6.3 m/s J 3. (a) 1.8 J (b) 21.8 J (c) 1.8 J 4. 0 J kg m J 8. (a) mg(n 2 1)Dy (b) mgn(n 2 1) Dy J 4.5 Questions, p (a) 6.2 m 4. (a) J (b) 64 m/s m/s m/s 7. (a) yes (b) J (c) J (d) 17 m/s at B; 24 m/s at C (e) 21 m/s at B; 27 m/s at C W 4.6 Questions, p spring A N/m 3. equal 4. (a) 1.1 J (b) 2.5 J 5. (a) m (b) 5.6 m/s 2 [down] N/m m J Hz; 0.25 m N/m 4.7 Questions, p increases m/s [away from the spring] 716 Appendix C NEL
4 3. (a) 0.70 J (b) 13 m/s (c) 8.5 m m m/s cm [above rest position]; 0.63 m/s; 2.8 m/s 2 [toward rest position] m 8. (a) m (b) m 9. (a) 0.21 m (b) 2.2 m/s; 29 m/s 2 [away from the spring] m Chapter 4 Self-Quiz, p (b) 6. (d) 11. T 2. (b) 7. (c) 12. F 8. F 13. F 4. (d) 9. F 14. T 5. (c) 10. T 15. T Chapter 4 Review, pp (b) 2. (c) 5. (a) 6. (d) 7. (b) 8. T 9. T 10. F 11. F 12. T 13. T 17. no 18. (a) 649 N (b) J 19. (a) J (b) J (c) J (d) J J J J kg J W 37. v 5 a Å k m bdx m 46. (a) changing (b) constant (c) constant 47. decreases 49. (a) 2 times (b) same J 51. v blue v red m/s N/m 55. (a) 4.4 m (b) 27 m/s 56. (a) J (b) 1.9 m/s (c) no 57. (a) 0.7 J (b) W kg 59. (a) 18 N/m (b) 1.3 m/s (c) Questions, p (a) kg m/s [N] (b) kg m/s [forward] (c) 16 N s [S] m/s [W] g kg 8. (a) 5.5 N s [forward] (b) 46 m/s 9. (a) 0.86 kg m/s [down] (b) same 2.4 N s [up] (b) 0.13 s 2.6 N s [forward] (b) N [forward] N s (b) N [E] 5.2 Questions, p m/s [E] kg m/s [backward] m/s [E] m/s [left] 5.3 Questions, p momentum m/s m/s [N] 4. (a) yes (b) 5.4 m/s [initial direction] 5. (a) inelastic (b) 2.1 m/s [initial direction] 6. 0 m/s; 0 m/s 7. no 8. (a) 85 km/h [N] (b) J; J (c) J 5.4 Questions, p no; yes m/s [left] 4.2 m/s [right] m/s [initial direction of 1st chunk] 5. (a) 0.60 m/s [left] 6.0 m/s [right] (b) m (c) m 6. (a) 7.2 m/s; 1.8 m/s (b) 2.7 m; 0.17 m 5.5 Questions, p m/s [288 to original path] m/s [S 448 E] 3. (a) 21 m/s [S 318 E] (b) inelastic km/h [S 888 E] 5. (b) 2.75 m/s; 1.65 m/s 6. (a) [W 248 N] (b) kg m/s [W 248 N] (c) m/s [W 248 N] m/s [608 to original path] Chapter 5 Self-Quiz, p (b) 6. (c) 11. T 12. F 3. (d) 8. F 13. T 4. (b) 9. F 14. T 5. (b) 10. T Chapter 5 Review, pp (d) 5. F 6. T 7. T 8. F 9. T 10. F 11. T N [opposite initial direction] kg m/s 24. (a) inelastic (b) elastic (c) perfectly inelastic (d) elastic 25. (a) 1.5 m/s [E]; 7.5 m/s [E] (b) 0.24 m/s [E] 6.2 m/s [E] (c) 4.2 m/s [S] 0.85 m/s [N] kg m/s; 6.4 m/s 28. (a) N/m (b) 1.5 m/s [W] 4.5 m/s [E] (c) 0.11 m 29. (a) 1.3 m/s [S]; 1.5 m/s [N] (b) J (c) 35 kg m/s [N] N [backward] 32. (b) 3.8 m/s; 1.8 m/s 33. equal masses 34. (a) equal (b) equal 36. (a) N [away from the wall] (b) 24 N [away from the wall] (c) N [away from the wall] kg 39. watermelon: 3.0 m/s; 2.3 m/s grapefruit: 1.8 m/s; 3.6 m/s or interchange initial velocities 40. (a) 4.4 m/s (b) kg m/s [forward] 41. (a) 3.0 N s (b) 213 m/s 42. (b) first lily pad km/s [forward] m/s [left]; 1.1 m/s [right] m/s 46. (a) 0 J; 3 J 47. (a) m/s (b) 2000 N [forward] (c) 60 m/s (d) yes kg 49. (a) 0.27 m/s (b) J m/s [original direction] m/s [E 188 N] 11 m/s [E 48 S]; s (b) N [backward] 54. (d) two 56. (a) 4.0 m/s [E]; 16 m/s [E] (b) 4.0 m/s [W]; 8.0 m/s [E] (c) 12 m/s [E]; 24 m/s [E] (d) 12 m/s [W]; 0.22 m/s [E] Unit 2 Self-Quiz, pp (c) 9. (d) 3. (d) 1 4. (b) 12. (b) 5. (d) 13. (c) 6. (a) 14. (a) 7. (a) 15. (b) 8. (b) 16. (c) (a) 19. (a) 20. T 21. T 24. F NEL Answers 717
5 26. T 27. T 28. T 30. T 31. F 32. T Unit 2 Review, pp (a) 2. (c) 4. (d) 5. (d) 6. (c) 7. (c) 8. (b) 9. (d) 11. (b) 12. (c) (a) 15. (c) 16. (b) 17. (b) 18. (b) 19. (b) 20. (b) 23. T 26. T 27. F 28. T 30. T 31. T 32. F 33. F 34. T 35. F 36. F 37. no 38. no J W 44. (a) J (b) 2.7 m/s 46. (a) J (b) J J m 49. (a) J (b) 15 m/s 50. decreases 51. suspension spring m 53. (a) 3.3 kg m/s [down] (b) 6.8 m/s N s [up] N s 58. yes m/s [W] m/s m/s [left] (b) J J J m J J m m/s kg 72. no 73. (a) 36 m/s 74. (a) J (b) J (c) J N [outward] m/s J m/s 81. (a) 34 m (b) 45 m/s N s (b) N [forward] 83. (a) 20 N s (b) 20 kg m/s m/s [E] % m/s m 88. (a) N/m (b) N (c) J (d) J m/s m/s [N]; 18 m/s [E] 9 down (b) up (c) same (d) up m/s 94. (a) J s; 1.4 Hz 99. (b) 16 N/m J Unit 3 Are You Ready?, pp yes 16. yes 18. pencil 20. (a) down 26. (a) 9.8 m/s 2 (b) 9.8 m/s 2 (c) none 6.1 Questions, p r E above Earth s surface N 3. (a) decrease (b) (a) 399 N [toward Earth s centre] (b) 1.77 m/s 2 [toward Earth s centre] m r E N/kg r 8., where m 1 is m 2 a1 1 b Å m 1 the larger mass 9. (a) 0.64 m/s 2 [toward Earth s centre] (b) 340 N [toward Earth s centre] m/s 2, or 0.375g m (b) N [toward 13. r 10 Earth s centre] from the Moon s centre 6.2 Questions, p m 6. (a) m/s (b) kg m 8. (a) m/s (b) 6.17 years km/h kg days km/h 13. (a) m/s m/s m/s m/s m/s; s Chapter 6 Self-Quiz, p (b) 11. F 2. (c) 7. (c) 12. F 3. (a) 8. T 13. F 4. (b) 9. F 5. (b) 10. T 15. F Chapter 6 Review, pp (c) 4. (d) 5. (d) 6. (c) 8. (c) 9. (d) 11. F 12. T 13. T 15. T 18. F 20. (a) (ii) (b) (iii) (c) (i) 28. (c) < (b) < (d) < (a) N kg 31. (a) m (b) 18 N (c) N/kg 32. speed 33. "2 times greater 35. (a) RADARSAT Constellation ne 37. F A 5 F C ; F B 5 2F A N 39. (a) N (b) 0.94 m N N/kg kg 43. (a) 9.78 N/kg (b) (a) N/kg (b) N/kg (c) N 47. (a) 0.28 N/kg (b) kg (c) 0.16 N/kg N [toward m 2 ] 49. (a) 1.36 N/kg (b) 0.139:1 50. (a) 8.74 N/kg 51. no km (b) 1 h 41 min 53. (a) m 54. (a) m/s km/h (b) Earth years times greater 56. (a) N (b) m/s km/h (c) 1.7 h 57. v E : v M 5 9.0:1 58. increase by 43 m/s 59. (a) 0.23 N/kg (b) N (c) m/s km/h (d) 23 h 718 Appendix C NEL
6 60. (a) times greater (b) N 61. (a) N (b) N (c) 1.9:1 64. (a) incorrect (b) higher 65. (a) winter 7.1 Questions, p no 7.2 Questions, p N N N m 6. (a) N (b) N 7. x cm beyond the smaller charge 9. (a) 5.7 N [down] (b) 5.7 N [E 308 N] (c) N [down] C 7.3 Questions, p N/C C 4. 0 N/C 6. 1: N/C [down] 7.4 Questions, p (a) J (b) N/C V 3. (a) J (b) J 4. (a) J (b) electric field 5. (a) vice versa (b) J (c) m/s V 7. (a) m/s [up] (b) m/s [5.68 from the x-axis] 8. (a) 280 V (b) 240 V 9. 0 J J 7.5 Questions, p (a) lower; lower (b) lower; higher 2. no 3. 0 J cm J J J 8. (a) C (b) N/C (c) inward 7.6 Questions, p electrons N/C; V C; excess 4. (a) positive (b) deficit of electrons 5. (a) C (b) deficit of 3 electrons 6. (a) 2.58 (b) 0.41 N [up the thread] 7. (b) kg Chapter 7 Self-Quiz, p (c) 7. (c) 13. T 2. (b) 8. (b) 14. T 3. (d) 9. T 15. F 4. (a) 10. F 16. T 5. (c) 11. F 6. (b) 12. T Chapter 7 Review, pp (b) 2. (b) 3. (a) 4. (a) 5. (c) 6. (d) 7. (a) 8. (d) 9. (d) (d) 14. (a) 15. (b) 16. (b) 17. (b) 18. F 20. T 23. T 27. T 28. F 30. T 31. F 32. T 33. F 34. T 35. F 36. T 37. F 38. F 39. F 40. T 41. F 42. F 43. T same J V C 56. both 23.4 nc 57. (a) both 22 µc (b) 0 C N m µc N cm N [away from the centre] 65. q 1 : N [left] q 2 : N [left] q 3 : N [right] N/C N/C 69. (a) 41 cm (b) 58 cm (c) 1.1 m µc N 7 15 µc (b) negative N/C m/s V, or 5 J/C C 77. (a) J (b) m/s 78. (a) J (b) m/s (c) m/s 2 (d) s 79. (a) V (b) V (c) V V/m V C J J J V; N/C 87. (b) both C (c) excess 88. (a) 21.1 µc (b) excess excess nc 8.2 Questions, p positive 3. negative 4. (a) N (b) N downward 7. (a) N (b) 2z direction (c) 0 N 8. 1z direction N [ z direction] N (b) m/s 8.3 Questions, p (a) 0.56 A (b) N (b) upward 3. (a) N [down] (b) N N 5. (a) 0 N (b) 0 N 8.4 Questions, p m/s m T [N] mm 6. (a) 25 N/C (b) m Chapter 8 Self-Quiz, p (b) 9. (c) 2. (d) 10. F 18. T 3. (c) 11. F 19. T 4. (a) 12. T 20. F 5. (a) 13. F 21. T 6. (b) 7. (a) 15. F 8. (c) 16. T Chapter 8 Review, pp (a) 2. (b) 3. (d) 5. (a) 6. (d) 8. T 9. T NEL Answers 719
7 10. T 11. T 12. F 13. T 15. T 16. (a) parallel (b) south 17. (b) in the gap 22. right 25. perpendicular 26. (a) N (b) east 28. (a) west (b) vertically upward (c) no deflection 29. (a) N (b) m/s N 32. east or west N T 35. H 1 : r v B deuterium: r v B tritium: r v B 36. (a) m/s (b) m/s 37. (a) right (b) left 38. (a) into the page (b) right (c) down 39. (a) 0 N (b) N [out of the page] (c) 0 N 40. curved downward N N N [up] N N T T N 49. (a) south to north (b) N 50. (a) N (b) down N 52. perpendicular 53. y-axis N 55. 2x to the wire A 60. (a) 0 N (b) N (c) N N N [up] N N [S] 65. (a) into the page (b) (i) no current (ii) upward (iii) downward 66. (a) positive (b) 1 3 r (c) 1 10 r Unit 3 Self-Quiz, pp (b) 13. (a) 2. (d) T 15. (a) 27. T 28. T 5. (d) 17. F 6. (c) 18. T 30. T 7. (b) 31. F 8. (c) 20. T 32. T 9. (a) 33. F 34. T 11. (c) 23. T 35. T 12. (b) 24. F Unit 3 Review, pp (c) 2. (d) 5. (b) 6. (a) 8. (d) 9. (b) 11. (c) 12. (b) 13. (c) 14. (a) 15. T 18. F 19. T 20. T 22. F 27. no 31. (a) conductor (b) insulator (c) insulator (d) conductor (e) conductor (f) insulator N change m N N 36. (a) q 1 ; q 2 (b) q (a) top positive; bottom negative 40. (a) point downward (b) lie level (c) point upward 45. (b) down N m 2 /kg m m/s 2 ; m/s g N/kg N (b) : (a) m/s (b) 97 min kg m/s; 124 min m/s; m 57. (a) 0.12 m (b) attractive 58. (a) 20 mn (b) 2.0 N (c) both C 59. (a) N (b) m/s 2 (c) m/s 60. (a) m/s 2 [2x] (b) m/s; no C 62. (b) (i) 0 N/C (ii) N/C [2x] N [down] (c) C 64. (a) J (b) m/s 65. (a) V (b) J (c) no J 67. (a) J (b) 0.16 J J J C; N T 74. (b) current, magnetic field (c) decrease away from 1x in 2y direction T : m :1 81. (a) Io: 17 km/s; Europa: 14 km/s; Ganymede: km/s; Callisto: 8.0 km/s (b) kg 83. (a) N (b) N (c) same N [from centre] 87. equal but opposite; no 88. (a) yes 94. (a) x (b) 2.2 N 95. 4:1 96. (a) approximately T (c) point N 458 W cm Unit 4 Are You Ready?, pp (c) 8. (a) 0.67 Hz (b) 1.3 m/s nm 14. (a) 1.25 (b) 1.87 (c) 358 (d) (a) 5.58 (b) m; 7.5 cm MHz 18. (a) 5.0 Hz (b) 0.2 m (c) 1 m/s 19. (a) 3.0 m (b) 1.3 m/s m/s 21. (a) x 5 2; y 5 8 (b) x 5 7; y Questions, p (a) 808 (b) m/s m Hz m Hz m m Hz 720 Appendix C NEL
8 m/s m m 19. 3: m 21. (a) specular (b) diffuse (c) specular (d) diffuse 9.2 Questions, p nm total internal reflection 8. (a) (b) glass 9. (a) 678 (b) Questions, p (a) m (b) 2 cm (c) 12 cm/s 7. (a) 1.0 cm 9.4 Questions, p yes 9.5 Questions, p nm m 5. (a) 420 nm (b) 0.8 cm 6. 16:1 7. (a) 540 nm (b) 0.44 mm 8. (a) 0.11 mm (b) 3.6 cm Chapter 9 Self-Quiz, p (a) 7. (a) 13. T 2. (c) 8. T 14. T 9. T 15. T 4. (d) 10. F 16. T 5. (a) 11. F 6. (b) 12. F Chapter 9 Review, pp (b) 3. (a) 4. (b) 5. (a) 6. (b) 8. (b) 9. (a) 10. (b) 12. (d) 13. F 15. T 17. F 18. F 19. T 20. F 27. T 28. T 30. F 31. (a) (vii) (b) (v) (c) (i) (d) (vi) (e) (ii) (f) (iv) (g) (iii) wavelengths m m h m/s nm; 398 nm (b) 1.27 (c) m/s 49. (a) 378 (b) 12 cm 50. (a) 628 (b) (a) (b) (c) (b) (a) 1.9 (b) 830 nm cm 58. (b) 0.71; mm cm cm m 64. (a) increase (b) decrease (c) increase 65. (a) 2.8 cm (b) cm/s (a) 5.4 cm (b) mm cm nm nm m nm mm nm mm m m ; 0.23 cm; 0.118; 0.27 cm 10.1 Questions, p nm m m m m 10.2 Questions, p m m cm mm cm m Questions, p m nm; 297 nm; 246 nm m nm 8. 6th order 9. (a) 5.78; 128; 178 first bright fringe Questions, p nm Hz m 2.8 m Hz 5. (a) Hz cm m constructive (b) destructive 10.5 Questions, p yes Chapter 10 Self-Quiz, p (c) 7. (a) 13. T 8. F 3. (c) 9. T 15. F 10. T 16. T 5. (a) 11. F 17. F 6. (b) 12. F Chapter 10 Review, pp (d) 3. (d) 5. (a) 6. (a) 8. (a) 9. (a) 10. (b) 11. (c) 12. (c) 13. (d) 14. (b) 15. (a) 16. T 18. T 20. F 27. F 28. F 29. T 30. F 31. T 32. T 33. F 35. 2t 39. no 45. (a) m; m; m (b) m (a) 390 nm (b) yes; yes (c) 190 nm m 49. (a) m (b) m; m nm nm m nm 700 nm NEL Answers 721
9 54. (a) m (b) m m mm nm 58. (a) 1.1 cm (b) 410 nm m (a) m (b) 6400 lines/cm 64. (a) m (b) 8300 lines/cm (c) rotations (d) 660 rpm m m 68. (a) Hz (b) s m I in (b) 298 (c) 1.8 (d) I 0 Unit 4 Self-Quiz, pp (a) 1 2. (d) 14. (b) 3. (c) 15. (d) 27. F 4. (b) 16. (b) 28. T 5. (c) 17. (c) 29. T 6. (a) 18. F 30. T 7. (c) 19. T 31. F 8. (c) 20. T 32. F 9. (a) 21. T 33. T 10. (c) 22. F 34. F 11. (b) 23. T 35. T 12. (b) 36. T Unit 4 Review, pp (b) 3. (d) 5. (d) 6. (b) 7. (c) 8. (a) 9. (a) 12. (c) (d) 15. (a) 16. (b) 17. (c) 18. (a) 20. F 25. T 26. T 27. T 28. F 29. T cm opening 39. wave model 50. 1: :2 69. distance decreases 71. (a) maximum (b) minimum (c) I out 5 cos 2 u I in nm (a) m (b) 450 Hz nm : nm m m 87. (a) 580 nm (b) Hz m nm m m m m m m m; m m nm; yellow m m l 103. (c) 2n soap (d) m m nm 106. (a) m m m; 0.55 m cm nm: 118, 0.58 m 664 nm: 188, 0.94 m nm m; m 118. (b) 380 nm 121. (a) 38 m (b) 19 m 12 yes (b) double slit (c) bright m (a) telescope B (b) 200 times; 100 times (c) no m lines/cm m Unit 5 Are You Ready?, pp (a) 5 m/s [E] (b) 45 m/s [E] (c) 75 m/s [E] non-inertial n-inertial (c) inertial (d) inertial (e) non-inertial (f) inertial 4. (d) m/s 1 (iii) (b) (iv) (c) (i) (d) (ii) 14. (a) Hz (b) Hz (c) Hz 15. (c) 17. (a) 3rd harmonic (b) 17 Hz (c) 120 Hz 19. (a) x (b) x (c) x (b) (c) 2.50 (d) y x (e) linear 21. (a) vertical and horizontal asymptote 11.1 Questions, p (a) c (b) c 11.2 Questions, p (a) no (c) different (d) no (e) no 4. airport clock 6. (a) Roger (b) 57 s s 11.3 Questions, p m ly 3. no 4. (a) kg?m/s (b) kg?m/s (c) 7: c m/s 7. no 11.4 Questions, p kg kg J 5. (a) kg (b) 0.44 MeV (c) m/s kg MeV m/s c kev km J Chapter 11 Self-Quiz, p (a) 6. (a) 11. F 2. (b) 7. (a) 12. T 3. (c) 8. T 13. T 4. (b) 9. F 14. T 5. (c) 10. T Chapter 11 Review, pp (d) 4. (d) 5. (c) 6. (c) 7. (a) 8. (b) 9. (a) 10. (b) Appendix C NEL
10 15. T 18. T 19. T 20. T 22. F 24. F 25. T 27. T 28. F 29. T 30. F 31. F 32. T 33. F 34. F 37. c 43. (a) c 2 v; c 1 v (b) both c 44. no 47. (a) 2.2 ms (b) 660 m 50. both c 53. both E 2c (a) 0 m/s [N] (b) 3 m/s [N] (c) 8 m/s [N] 55. c min s m/s m/s 60. (a) 27 min (b) 86 min m/s m/s flashes/min 64. (a) 65 m (b) 39 m Mly m/s m s; 31 days 69. (a) 0.58mc (b) 0.76c (c) 0.87c kg?m/s kg?m/s 3: kg J (b) MeV MeV MeV MeV; 0.34 MeV c g 79. f Å 1 2 av2 c 2 b 12.2 Questions, p Hz cesium (b) Hz (c) visible light 4. (a) J kg m/s (b) J kg m/s (c) J kg m/s 5. X-ray photon 6. (a) J (b) Hz m ultraviolet 12.3 Questions, p m/s :1 3. (a) m (b) m (c) undefined Chapter 12 Self-Quiz, p (c) 7. (a) 13. F 2. (c) 8. F 14. T 9. T 15. T 10. F 16. T 5. (a) 11. T 17. F 6. (a) 12. T 18. F Chapter 12 Review, pp (d) 4. (b) 5. (a) 6. (a) 7. (a) 8. (a) 9. (b) 10. (b) (c) 13. (d) 14. T 15. F 18. F 20. F 21. T 22. F 23. T 26. T 27. F 28. T 30. (a) (v) (b) (iv) (c) (vi) (d) (i) (e) (iii) (f) (ii) K 50. (a) K (b) m ev 54. (a) J (b) 1.93 V m 57. (a) J; 5.65 ev (b) platinum 59. (a) Hz (b) J; 28 ev 60. (a) Hz (b) ultraviolet kg m/s m (b) Hz kg m/s nm m 67. (a) m/s (b) J, or 31.2 ev (c) 31.2 V 68. 1: (c) Hz (d) J/Hz or J?s Unit 5 Self-Quiz, pp (c) 13. (a) 2. (c) T 3. (c) 15. (b) 27. T 16. T 28. T 5. (b) 29. T 6. (c) 18. F 30. T 7. (a) 31. T 8. (b) 20. F 9. (b) 21. T 22. F 1 Unit 5 Review, pp (c) 2. (c) 4. (b) 5. (b) 6. (a) 7. (a) 8. (c) 9. (b) 11. (b) 12. (d) 13. (a) 14. (a) 15. (b) 16. (b) 17. (b) 18. (b) 19. (c) 20. T 27. F 28. F 30. T 31. F 32. F 33. F 34. F 35. F 36. F 37. T 38. F 39. T 40. F 41. F 42. T 43. F 44. F 45. F 46. T 47. no 48. (a) no 5 16 m (b) yes 55. l (a) uud (b) udd 67. c 68. (a) c (b) c 69. (a) c (b) c min s y c 74. (a) observer 1 (b) 57 s 76. (a) east NEL Answers 723
11 m/s 79. (a) m/s (b) m/s (c) not possible 80. (a) kg m/s (b) J 81. (a) J (b) m/s kg m/s (b) J (c) ev 83. (a) J (b) 96 g/day ev ev s 86. (a) Hz (b) J (c) kg m/s 87. (b) red m 89. (a) kg m/s (b) m/s (c) kg m/s 90. (a) m m 92. 1: J 94. (a) 1e (b) yes 95. (a) 0 (b) 0 (c) yes 96. (a) no (b) yes 104. both MeV 106. (a) 107. (a) 1e (b) 2e (c) no 724 Appendix C NEL
CHAPTER 11 TEST REVIEW -- MARKSCHEME
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