College Physics Quiz
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ELECTRIC POTENTIAL & ENERGY
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Two point charges, +3.0×10−6+3.0 \times 10^{-6} C and −5.0×10−6-5.0 \times 10^{-6} C, are initially separated by 0.40 m. If the charges are moved such that their separation becomes 0.20 m, what is the change in electric potential energy of the system?
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