week4 (dragged) 40

week4 (dragged) 40 - q 1 and q 2 is then: Example: Electric...

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U = U 13 + U 23 = kq 3 ° q 1 d 13 + q 2 d 23 ± U tot = U 12 + U 13 + U 23 = k ° q 1 q 2 d 12 + q 1 q 3 d 13 + q 2 q 3 d 23 ± August 12, 2010 42 ! Bringing in q 1 doesn’t cost any work ! With q 1 in place, bring in q 2 ! We then bring in q 3 . The work we must do to bring q 3 to its place relative to
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Unformatted text preview: q 1 and q 2 is then: Example: Electric Potential Energy (3) 12 A sum of pair interaction energy. Thursday, September 16, 2010...
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