In Fig. 21-25, four particles form a square. The charges are q1 Q, q2 q3 q, and q4
Chapter 21, Problem 70(choose chapter or problem)
In Fig. 21-25, four particles form a square. The charges are q1 Q, q2 q3 q, and q4 2.00Q. What is q/Q if the net electrostatic force on particle 1 is zero? 71
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