The figure shows an equilateral triangle ABC. A positive point charge + is located at each of the three vertices A, B, a

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The Figure Shows An Equilateral Triangle Abc A Positive Point Charge Is Located At Each Of The Three Vertices A B A 1 (55.47 KiB) Viewed 9 times

The figure shows an equilateral triangle ABC. A positive point charge + is located at each of the three vertices A, B, and C. Each side of the triangle is of length a. A point charge Q (that may be positive or negative) is placed at the mid-point between B and C. A 9 a a 4 9 BO 9 a/2 с al2 Reference: Ref 18-1 Determine an expression for the magnitude and sign of Q so that the net force on the charge at A is zero newtons. O 3.3 Q=- 43 Q=-9 9 =+ਬੜੇ Q 3 413 Q=+ 315 4