Slove for part $2!!!$ Four charges $4{10}^{-9}C$ at $(0m,0m),3{10}^{-9}C$ at $(-1m,4m),6{10}^{-9}C$ at $(-4m,5m),$ and $4{10}^{-9}C$ at $(-2m,-3m),$ are arranged in the $(x,y)$ plane as shown.

Find the magnitude of the resulting force on the $4$ nC charge at the origin. The Coulomb constant is $8\mathrm{.}98755{10}^{9}N*\frac{m^2}{C^2}.$

Answer in units of N$.$ Answer in units of N$.$

part $2$ of $2$

What angle does the resultant force on the $4$ nC charge at the origin make with the positive $x$ axis? Quadrant I lies between $0$ and $90,$ quadrant II between between $90$ and $180,$ etc.

$*$Answer in units of $.$ Answer in units of $.$

$2.5\mathrm{.}13204{10}^{-9}$

$3\mathrm{.}1\mathrm{.}10121{10}^{-8}$

$4.1\mathrm{.}89728{10}^{-8}$

$5.4\mathrm{.}70784{10}^{-8}$

$6.6\mathrm{.}62304{10}^{-8}$

$7.1\mathrm{.}49893{10}^{-8}$

$8.2\mathrm{.}01186{10}^{-8}$

$\backslash$times $9.1\mathrm{.}92567{10}^{-8}$

$10.1\mathrm{.}47949{10}^{-8}$