Charge $Q_1=6\mathrm{.}0nC$ is at $(0\mathrm{.}30m,0),$ charge $Q_2=-1\mathrm{.}0nC$ is at $(0,0\mathrm{.}10m),$ and charge $Q_3=5\mathrm{.}0nC$ is at $(0,0).$

Part A

What is the magnitude of the net electrostatic force on the $5\mathrm{.}0-$nC charge due to the other charges? $(k=\frac{1}{4}{}_0=8\mathrm{.}99{10}^9(N)*\frac{m^2}{C^2})$

Express your answer with the appropriate units.

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Part B

What is the direction of the net electrostatic force on the $5\mathrm{.}0-$nC charge due to the other charges?

Express your answer in degrees.

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