Two very large parallel plates have charge per unit area $+8$mu C$/$m$2$ and $-8$mu C$/$m$2,$ respectively. A small sphere of mass m $=208$ g and charge q hangs by a slender thread as shown in the Figure. If the thread makes an angle $$theta $=36$o with the vertical direction, what is q$?$

$<img\; src="https://dsd5zvtm8ll6.cloudfront.net/questions/2024/02/65d9a7d23e32f\_1708763084225.jpg"\; style="width:\; 58.75\%;\; display:\; block;\; vertical-align:\; top;\; margin:\; 5px\; auto;\; text-align:\; center;"\; width="58.75\%"\; alt="+\; 10\; q"\; height="958">$ 

+ 10 q