In Fig. 21-26, particle 1 of charge q and particle 2 of charge 4.00q are held at
Chapter 21, Problem 19(choose chapter or problem)
In Fig. 21-26, particle 1 of charge q and particle 2 of charge 4.00q are held at separation L 9.00 cm on an x axis. If particle 3 of charge q3 is to be located such that the three particles remain in place when released, what must be the (a) x and (b) y coordinates of particle 3, and (c) the ratio q3 /q?
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