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Two +6.0-μC point charges are placed at the corners of the base of an equilateral triangle,as shown in the figure.(k = 1/4πε0 = 8.99 × 109 N ∙ m2/C2)At the vertex,P,of the triangle (a)what is the electric potential (relative to infinity)due to these charges?
(b)what is the magnitude of the electric field due to these charges?
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