Peoples Physics Book Version-2

(Marvins-Underground-K-12) #1

13.10. Electricity Problem Set http://www.ck12.org



  1. a. down b. Up 16c, 5. 5 × 1011 m/s^2 e. 2. 9 × 108 m/s^2

  2. a. Toward the object b. 3. 6 × 104 N/C to the left with a force of 2. 8 × 10 −^7 N

  3. Twice as close to the smaller charge, so 2 m from 12μC charge and 1 m from 3μC charge.

  4. 0.293 N and at 42. 5 ◦

  5. 624 N/C and at an angle of− 22. 4 ◦from the+x−axis.

  6. a. 7500V b. 1.5 m/s

  7. a. 6. 4 × 10 −^17 N b. 1300V c. 2. 1 × 10 −^16 J d. 2. 2 × 107 m/s

  8. b. 0.25m c.FT= 0 .022 N d. 0. 37 μC

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