Two charged particles q1 490 nc and q2 -280 nc are, Ask an Expert

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Two charged particles, Q1 = +4.90 nC and Q2 = -2.80 nC, are separated by 36.0 cm.

(a) What is the electrical potential energy of the pair? J =? Explain the significance of the algebraic sign of your answer?

(b) What is the electric potential at a point midway between the charged particles? V=?

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