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

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

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

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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