5_Chapter 15 HomeworkCH15 Electric Forces and Electric Fields

5_Chapter 15 HomeworkCH15 Electric Forces and Electric Fields

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Electric Forces and Electric Fields 5 Answers to Even Numbered Problems 2. 13 5.71 10 C × 4. ( ) 22 1.91 e Fk q = a along the diagonal toward the negative charge 6. 9 2.25 10 N m × 8. 5.08 m 10. ( ) 6 46.7 N left F = , ( ) 1.5 157 N right F = , ( ) 2 111 N left F = 12. 7 3.89 10 N at 11.3 below axis x ×° + 14. , stable if third bead has positive charge 0.634 x = d 16. 1.45 m beyond the –3.00 nC charge 18. (a) 7 2.00 10 N C to the right × (b) 40.0 N to the left 20. (a) 13 2 5.27 10 m s × (b) 5 5.27 10 m s × 22. 4 1.63 10 N C × directed opposite to the proton’s velocity
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