Phys2426 Answers Knight Even

Phys2426 Answers Knight Even - up. (b)A negative charge...

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HOMEWORK (even answers) Chapter 25 46. 1.14 x 10 -5 j N 60. 746 nC Chapter 26 32. 133,600 N/C, 43.8 ° below the –x axis Chapter 27 4. (5A) N m 2 /C 8. 1.0 N m 2 /C 28. The net flux is zero. 40. –4.51 x 10 5 C Chapter 28 16. (a) 0.795 A (b)7.03 x 10 7 A/m 2 24. 0.159 N/C Chapter 29 12. 4.38 x 10 5 m/s 28. 0 V 48. (a) K = 3.34 x 10 -17 J (b) 2.96 x 10 5 m/s Chapter 30 8. 20,000 V/m, 45 ° below –x axis 14. (a) p 2 =p 1 , thus p 2 /p 1 = 1.00 (b) 0.50 26. 3.04 μF 34. (a) Point A is at a higher potential than point B. (b) –70 V 68. (a) 3/2 C (b) Potential difference between points a and b is zero. Chapter 31 24. 1.18 Ω 32. 54.5 Ω 44. A>D>B>F>C=E 48. (a) 4.0Ω (b) 8.0Ω (c) 18.0Ω (d) 36Ω 54. 60 V 60. The fluorescent bulb is cheaper.
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Chapter 32 14. B at 1 = (6.67 x 10 -5 T, out of page), B at 2 = (2.0 x 10 -4 T, into page), B at 3 = (6.67 x 10 -5 T, out of page) 20. The dot product is zero at all points and the line integral is zero. 22. 1.26 x 10 -6 T m 26.(a) A positive charge moving to the right with B into the page gives a force that is
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Unformatted text preview: up. (b)A negative charge moving up with B out of the page gives a force to the left. 28.(a) The magnetic field B is out of the page. (b) The magnetic field B is up. 30.(a) +5.66 x 10-13 j N (b) F on q = 0 N 36. B = 0.131 T, out of page 38. F 2 on 1 = 5.0 x 10-4 N = F 2 on 3 = F 3 on 2 = F 1 on 2 , F 3 on 1 = 2.5 x 10-4 N = F 1 on 3 F on 1 = 2.5 x 10-4 N, up F on 2 = 0 N F on 3 = 2.5 x 10-4 N, down 52. B = 7.85 x 10-5 T, into page 61. B = 2.0 mT, into page Chapter 33 4. = 0.040 Wb Chapter 35 4. The phasor makes an angle of (0.60)2 rad or (0.60)(360) = 216 in its fourth cycle. 50. (a) = 503 Hz (b) V L = 31.6 V (c) V R + V C + V L = E o is not a requirement of an AC circuit. Chapter 22 46. L = 77.7 cm Chapter 23 46. (a) 86.6 cm (b) x 2 = 64.8cm (c) 42.9 cm Chapter 36 32. The electrons speed is 0.994c....
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Phys2426 Answers Knight Even - up. (b)A negative charge...

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