Three particles, charge q₁ = +7.2 µC, q2 = -18 µC, and 93 = +33 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) 1 and 92? (a) Number (b) Number i i Units Units 93 91

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Chapter1: Units, Trigonometry. And Vectors
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Three particles, charge q₁ = +7.2 μC, q2 = -18 μC, and q3 = +33 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) q91 and 93 and, instead, (b)
91 and 92?
(a) Number
(b) Number
i
Units
Units
92
a
a
q1
Transcribed Image Text:Three particles, charge q₁ = +7.2 μC, q2 = -18 μC, and q3 = +33 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) q91 and 93 and, instead, (b) 91 and 92? (a) Number (b) Number i Units Units 92 a a q1
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