Physics, 21.12.2020 18:00 keiolanibrooks

Identical point charges (+20 mC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. How much external energy is required to bring a charge of 45 mC from infinity to the midpoint of one side of the triangle?

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Identical point charges (+20 mC) are placed at the corners of an equilateral triangle with sides of...

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