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Two point charges Q1 = +5.90 nC and Q2 = ?1.70 nC are separated by 45.0 cm.
(a) What is the electric potential at a point midway between the charges?
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(b) What is the potential energy of the pair of charges? J What is the significance of the algebraic sign of your answer? Positive work must be done to separate the charges. Negative work must be done to separate the charges.
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