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SERPOP$519.$P$\mathrm{.}019.$

Three point charges are arranged as shown in Figure P$19\mathrm{.}13.$

Figure P$19\mathrm{.}13$

$($a$)$ Find the vector electric field that the $q=5\mathrm{.}50C$ and $-3\mathrm{.}00$ nC charges together create at the origin.

The response you submitted has the wrong sign. N$/$C $+$

The correct answer is not zero. N$/$C hat$(j)$

$($b$)$ Find the vector force on the $5\mathrm{.}00$ nC charge.

The response you submitted has the wrong sign. $Nhat(i)+$

The correct answer is not zero. $Nhat(j)$

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