P22_018.PDF

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Chapter 22 - 22.18
18. The magnitude of the force is
r 2 = 8 . 99
×
10 9 N
m 2
C 2
(1 . 60
×
10 10 m) 2 =2 . 89
×
10 9 N .
(2 . 82
×
F = k e 2
·
10 19 C) 2
 
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