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week4 (dragged) 37

week4 (dragged) 37 - system If the two charges have...

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University Physics, Chapter 23 August 12, 2010 39 So, the electric potential energy of this two charge system is where Hence the electric potential of the two charge system is If the two point charges have the same sign, then we must do positive work on the particles to bring them together from infinity (i.e., we must put energy into the
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Unformatted text preview: system) If the two charges have opposite signs, we must do negative work on the system to bring them together from infinity (i.e., energy is released from the system) Electric Potential Energy for a Pair of Particles (2) Thursday, September 16, 2010...
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