21. Three charges, each of 106C, are placed at the vertices of an isosceles triangle with a 2cm side. The electrostatic force that acts on the charge in the right vertex is valid in modulo: 2 (mm/ 45 No. 31.8 No. None of the others • 0.45 N 2ch F: 10 · 10 6 = 22,5 N 4M84² =31,8N F₁ = 2PCAL = 2√2 =
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