ch21-p013 - 13. (a) Eq. 21-1 gives ( 20.0 10 C ) = 1.60N....

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13. (a) Eq. 21-1 gives () ( ) 2 6 92 2 12 12 2 2 20.0 10 C 8.99 10 N m C 1.60N. 1.50m qq Fk d × == × = (b) On the right, a force diagram is shown as well as our choice of y axis (the dashed line). The y axis is meant to bisect the line between q 2 and q 3 in order to make use of the symmetry in the problem (equilateral triangle of
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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