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In Fig., particle 1 of charge +6.0 mu C ...

In Fig., particle 1 of charge `+6.0 mu C` and particle 2 of charge `-2.0 mu C` are held at separation `L = 10.0 cm` on an x axis. If particle 3 of unknown charge `q_(3)` is to be located such that the net electrostatic force on it from particles 1 and 2 is zero, what must be the (a) x and (b) y coordinates of particle 3 ?

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(a) 24 cm, (b) 0
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