square of particles Four particles are attached to the four corners of a square whose edge measures L (see image). Particles A and B each have a positive charge q and particles C and D each have a negative charge -q. (a) What is the electrical potential energy of the system? (b) Is this energy positive or negative?
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A square of particles
Four particles are attached to the four corners of a square whose edge measures L (see image). Particles A and B each have a positive charge q and particles C and D each have a negative charge -q.
(a) What is the electrical potential energy of the system?
(b) Is this energy positive or negative?
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