I really don\'t understand this problem. Could some one pleasehelp me. Thnaks Fo

Question

I really don't understand this problem. Could some one pleasehelp me. Thnaks
Four identical 12uC charges are placed at the corners of a squareof sides 44 cm. A) Find the magnitude of the force exerted onone of the charges. B) Find the amount of work required to assemblethe charge distribution. I really don't understand this problem. Could some one pleasehelp me. Thnaks
Four identical 12uC charges are placed at the corners of a squareof sides 44 cm. A) Find the magnitude of the force exerted onone of the charges. B) Find the amount of work required to assemblethe charge distribution.

Explanation / Answer

something like this ke=8.99 x 109N*m2/C2 E = (ke 12C /4412 441^ ) +(ke 12C / 4422442^ ) + (ke 12C /4432 443^ ) E = (ke 12C /4412 441^ ) +(ke 12C / 4422442^ ) + (ke 12C /4432 443^ )       = ...... ke q /a2

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