A $+5\mathrm{.}0-$C point charge is placed at the $0$ cm mark of a meter stick and a $-4\mathrm{.}0-$C charge is placed at the $50$ cm mark.$$ What is the net electric field at the $30$ cm mark?$$

A $+5\mathrm{.}0-$C point charge is placed at the $0$ cm mark of a meter stick and a $-4\mathrm{.}0-$C charge is placed at the $50$ cm mark.$$ What is the net electric field at the $30$ cm mark?$$

$9\mathrm{.}2105$ N$/$C

$1\mathrm{.}6105$ N$/$C

$4\mathrm{.}3$ x $106$ N$/$C

$5\mathrm{.}1105$ N$/$C

$1\mathrm{.}4106$ N$/$C