Three particles, charge q1 ! %10 mC, q2 ! #20 mC, and q3 !
Chapter , Problem 74(choose chapter or problem)
Three particles, charge q1 ! %10 mC, q2 ! #20 mC, and q3 ! %30 mC, are positioned at the vertices of an isosceles triangle as shown in Fig. 24-62. If a ! 10 cm and b ! 6.0 cm, how much work must an external agent do to exchange the positions of (a) q1 and q3 and, instead, (b) q1 and q2?
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