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13. Two point charges are located at two of the vertices of a right triangle, as shown in the Figure
16.4. If a third charge -2q is brought from infinity and placed at the third vertex, what will its
electric potential energy be? Use the following values: a = 0.16 m; b = 0.45 m, and q = 2.0 x 10-5
C.
[-17 J]​