The solution to a problem is represented by the following equation:

$((9\mathrm{.}0$ x $10^9$ Nm$2/$C$2)*(+20\mathrm{.}0$ x $10^-9$ C$)*(+50\mathrm{.}0$ x $10^-9$ C$))/(0\mathrm{.}1$ m$)^2+((9\mathrm{.}0$ x $10^9$ Nm$2/$C$2)*(+10\mathrm{.}0$ x $10^-9$ C$)*(+50\mathrm{.}0$ x $10^-9$ C$))/(0\mathrm{.}5$ m$)^2=(10$ kg$)$ax

Sketch a situation that the equation might represent and formulate a problem for which it is a solution $($there are multiple possibilities$).$