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lufbra08
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Homework Statement
13 equal charges, q, are situated at the corners of a regular tridecagon. What is the net force on a test charge, Q, situated at the centre.
Homework Equations
F=k(qQ/r^2) r^
(r^=r vector/r)
The Attempt at a Solution
The net force will be zero due to the symetry of the tridecagon.