(a) Twelve equal charges, q, are situated at the corners of a regular 12-s: instance, one on each numeral of a clock face). What is the net force on a te center? (b) Suppose one of the 12 q's is removed (the one at “6 o'clock"). What i Explain your reasoning carefully. (c) Now 13 equal charges, q, are placed at the corners of a regular 13-sided
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