Three charges are arranged in a triangle. The first charge has a magnitude of $4\mathrm{.}9nC$ and is located at the origin. The second charge is at the point $(1\mathrm{.}9$ cm$,0)$ and has a magnitude of $-1\mathrm{.}3nC.$ The third charge is at point $(2\mathrm{.}1cm,1cm)$ and has a charge of $9nC.$ What is the magnitude of the total force on the third charge from the other tv charges? Answer in microNewtons.

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