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Electricity Ch1 HazemSakeek

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Electricity Ch1 HazemSakeek

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    Electric Fields

    1.1 Properties of Electric Charges 8

    2.1 Charging Objects by Induction 11

    3.1 Coulombs Law 16

    4.1 The Electric Field 29

    5.1

    Electric Field of a Continuous Charge Distribution 37

    6.1 Electric Field Lines 48

    7.1

    Motion of a Charged Particle in a Uniform Electric Field 54

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    1. (a), (c), (e)

    2. (e)

    3. (b)

    4. (a)

    5. A, B, C

    1. (a) +1.60 10-19

    C, 1.67 10-27

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    (b) +1.60 10-19

    C, 3.82 10-26

    kg

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    C, 5.89 10-26

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    C, 2.33 10-26

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    7. (a) 1.60 10-9

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    C/kg

    9. (a) 1.38 10-5

    N (b) 77.5 below the negative x axis

    11. (a) 0.951 m (b) yes, if the third bead has positive charge

    13. 0.872 N at 330

    15. (a) 8.24 10-8

    N (b) 2.19 106 m/s

    17.

  • 1

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    19. (a) 2.16 10-5

    N toward the other (b) 8.99 10-7

    N away from the

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    21. 1.82 m to the left of the -2.50-mC charge

    23. (a) 1.80 104 N/C to the right (b) 8.98 10

    -5 N to the left

    25.

    27.

    29. (a) 1.59 106 N/C (b) toward the rod

    31. (a) 6.64 106 N/C (b) 2.41 10

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    5 N/C

    33. (a)

    (b) to the left

    35. (a) 2.16 107 N/C (b) to the left

    39.

    41. (a) -1/3 (b) q1 is negative, and q2 is positive.

    43. 4.38 106 m/s for the electron; 2.39 10

    3 m/s for the Proton

    45. (a) 6.13 1010

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    -5 s (c) 11.7 m (d) 1.20 10

    -15 J

    47. (a) K/ed (b) in the direction of the velocity of the electron

    49. (a) 111 ns (b) 5.68 mm (c) (450i + 102j) km/s

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