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Q 2.
In the figure below, what is the magnitude and direction of the net Coulomb force
vector acted on the charge qo=q by the eight other charges placed on the circumference of
a circle of radius R=100cm. Let qo=+20µC , qı=q2=q3=q4=qs=q7=qs=q=50µC and q6=-q.
The charge qo is held at the center of circle.
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