Electric Potential Energy of Three Point Charges Part A Three equal point charge

Question

Electric Potential Energy of Three Point Charges Part A Three equal point charges, each with charge 1.20?C , are placed at the vertices of an equilateral triangle whose sides are of length 0.700m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Use ?0 = 8.85 Electric Potential Energy of Three Point Charges Electric Potential Energy of Three Point Charges Part A Three equal point charges, each with charge 1.20?C , are placed at the vertices of an equilateral triangle whose sides are of length 0.700m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Use ?0 = 8.85 Part A Three equal point charges, each with charge 1.20?C , are placed at the vertices of an equilateral triangle whose sides are of length 0.700m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Use ?0 = 8.85 Part A Three equal point charges, each with charge 1.20?C , are placed at the vertices of an equilateral triangle whose sides are of length 0.700m . What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Use ?0 = 8.85

Explanation / Answer

U=3kq^2/d=3*(1/4*pi*epsilon_0)*1.2*10^-6*1.2*10^-6/0.7=0.0555J

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