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Four point charges, each of magnitude 16.84

Four point charges, each of magnitude 16.84

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Answer #1

Here is what I solved before, please modify the figures as per your question. Please let me know if you have further questions. Ifthis helps then kindly rate 5-stars.

Four point charges, each of magnitude 13.18?C, are placed at the corners of a square 63.6 cm on a side.

If three of the charges are positive and one is negative, find the magnitude of the force experienced by the negative charge. The value of Coulomb's constant is 8.98755x109 N m2/C2.

let F1 be kq^2/a^2. (force exerted between charges which are on the same side)
F2 be kq^2/sqrt(2)^2*a^2=kq^2/2a^2. (not same side)
all of them are attractive forces.
so net force is
F1*sin45+F1*cos45+F2=F=7.4(N)   

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