ch21_p24 - 24. (a) Eq. 21-1 gives . c8.99 10 N m C hc100 10...

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24. (a) Eq. 21-1 gives F = ×⋅ × × 8 99 10 100 10 100 10 899 10 91 6 2 2 2 19 .. . . Nm C C m N. 22 c hc h ch (b) If n is the number of excess electrons (of charge –
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