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Three charges, q1 =+q, q2 = +q, and q3 = -q, are located at the corners of an equilateral triangle with side
%3D
length of d = 15 cm. The charge q = +7 µC.
Calculate the work required to bring another charge +q from infinity to point P midpoint of q2 and q3.
charge #2
+q
charge #1
d point P
d
+q
AY
charge #3
O a. 3.39 J
O b. -2.94 J
O C. 15.15 J
O d. 9.80 J
O e. Zero

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