Three charged spheres with q1 -9 muc q2 4 muc and q3 -7, Ask an Expert

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Three charged spheres with q₁ = -9 μC, q₂ = 4 μC, and q₃ = -7 μC charges are located at distances d₁ = 120cm, and d₂ = 80 cm.

240_Three charged spheres.png

(a) What is the magnitude and direction of the net electrostatic field at charge q₁?

(b) What is the magnitude and direction of the net electrostatic force on charge q₁?

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