Part A

A point charge with charge $q_1=2\mathrm{.}10C$ is held stationary at the origin. A second point charge with charge

$q_2=-4\mathrm{.}60C$ moves from the point $(0\mathrm{.}130m,0)$ to the point $(0\mathrm{.}265m,0\mathrm{.}240m).$ How much work $W$ is

done by the electric force on the moving point charge?

Express your answer in joules. Use $k=8\mathrm{.}99{10}^{9}N*\frac{m^2}{C^2}$ for Coulomb's constant: $k=\frac{1}{4{}_0}.$

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$W=$