4. Calculate the magnitude and direction of net electrostatic force on the charge Q₁ due to the charges Q₂ and Q3. Assume that B₁= 80° and B2=30° and d₂= 5 m. The charges are Q₁=2 C, Q₂=5 C and Q3=7 C. Q₁ B₁ d3 d₁ B3 B₂ d₂ 02
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