How much work must we do to exchange the positions of q₁ and 93

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: Electric Potential And Capacitance
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Three particles with charges q₁ = +10 μC, q₂ = -20 μC and q3 = +30 μC, are positioned at the vertices of an isosceles triangle with sides a =
0.1 m b = 0.06 m as shown in the Figure. How much work must we do to exchange the positions of q₁ and q3 ? Give your answer in Joules.
Hint: What is the Energy of the system of 3 charges as they are and what is its Energy when the positions of 91 and 93 are exchanged? What does the
difference between these energies represent?
Transcribed Image Text:Three particles with charges q₁ = +10 μC, q₂ = -20 μC and q3 = +30 μC, are positioned at the vertices of an isosceles triangle with sides a = 0.1 m b = 0.06 m as shown in the Figure. How much work must we do to exchange the positions of q₁ and q3 ? Give your answer in Joules. Hint: What is the Energy of the system of 3 charges as they are and what is its Energy when the positions of 91 and 93 are exchanged? What does the difference between these energies represent?
92
a
b
93
a
91
Transcribed Image Text:92 a b 93 a 91
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