{"result":{"text":"table attributes columnalign left end attributes row cell u equals fraction numerator K epsilon subscript 0 over denominator 2 end fraction open parentheses V over d close parentheses squared end cell row cell K equals 5 comma space V equals 500 space v o l t s comma space d space equals space 2 cross times 10 to the power of – 3 end exponent space m space end cell row cell therefore space space u equals 5 over 2 cross times fraction numerator 1 over denominator 4 pi cross times 9 cross times 10 to the power of 9 end fraction cross times open parentheses 500 close parentheses squared over open parentheses 2 cross times 10 to the power of negative 3 end exponent close parentheses squared equals 1.38 J m to the power of negative 3 end exponent end cell end table"},"status":"ok"}