Two identical conducting small spheres are placed with their centers $0\mathrm{.}330m$ apart. One is given a charge of $12\mathrm{.}0nC$ and the other a charge of $-23\mathrm{.}0nC.$

$($a$)$ Find the electric force exerted by one sphere on the other.

magnitude

$N$

direction

$($b$)$ The spheres are connected by a conducting wire. Find the electric force each exerts on the other after they have come to equilibrium.

magnitude

$N$