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In Fig. , the particles have charges q(1...

In Fig. , the particles have charges `q_(1) = -q_(2) = 300 nC` and `q_(3) = -q_(4) = 200 n C`, and distance a = 5.0 cm. What are the (a) magnitude and (b) angle (relative to the +x direction) of the net force on particle 3 ?

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(a) 0.26 N, (b) `-32^(@)`
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