Three particles, charge q₁ = +11 µC, q2 = -17 μC, and q3 = +30 μC, are positioned at the vertices of an isosceles triangle as shown in the figure. If a = 12 cm and b = 7.2 cm, how much work must an external agent do to exchange the positions of (a) q1 and 93 and, instead, (b) q₁ and 92? 93

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= -17
Three particles, charge q₁ = +11 μC, q2
μC, and q3 = +30 μC, are positioned at the
vertices of an isosceles triangle as shown in
the figure. If a = 12 cm and b = 7.2 cm, how
much work must an external agent do to
exchange the positions of (a) 91 and 93 and,
instead, (b) q₁ and 92?
b
93
91
Transcribed Image Text:= -17 Three particles, charge q₁ = +11 μC, q2 μC, and q3 = +30 μC, are positioned at the vertices of an isosceles triangle as shown in the figure. If a = 12 cm and b = 7.2 cm, how much work must an external agent do to exchange the positions of (a) 91 and 93 and, instead, (b) q₁ and 92? b 93 91
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