Physics

Seven charges are placed in the configuration, where the charges are
placed on the corners of a regular hexagon and its center. They all have a charge magnitude of Q= 4.15 µC. If the five charges (Solid Black) are positively charged and two negatively charged (White).
Note: The length of one side of the hexagon is 5.00x101
cm.
a) Find the net acting, Fnet on charge q7.(7 marks)
b) If charge q7 is removed from the center,
b.i. Calculate the net electric field, Enet at that center. (7 marks)
b.ii.Calculate the electric potential Vtotal at that center. (8 marks)

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