Solution to task 307 from Chertov´s for extramural stud

Solution to task 307 from Chertov´s for extramural stud

307. At the vertices of a regular triangle with side a = 10 cm, there are charges Q1 = 10 µC, Q2 = -20 µC and Q3 = 30 µC. Determine the force F acting on the charge Q1 from the side of the other two charges.

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