Three equal 1.40- C point charges are placed at the corners of an equilateral tr

Question

Three equal 1.40-C point charges are placed at the corners of an equilateral triangle with sides  0.700 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Express your answer with the appropriate units. U =

Three equal 1.40-C point charges are placed at the corners of an equilateral triangle with sides  0.700 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Express your answer with the appropriate units. U =
Three equal 1.40-C point charges are placed at the corners of an equilateral triangle with sides  0.700 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Express your answer with the appropriate units. U = Three equal 1.40-C point charges are placed at the corners of an equilateral triangle with sides  0.700 m long. What is the potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.) Express your answer with the appropriate units. U = U = U = U =

Explanation / Answer

potential energy of the system

U = 3 k * q1 * q2 / r

U = 3 * 9 * 109 * ( 1.40 * 10-6 )2 / 0.700

potential energy U = 0.0756 J

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