Odpowiedź :
[tex]W = 6 \ kJ = 6 \ 000 \ J\\t = 0,5 \ min = 30 \ s\\P = ?\\\\P = \frac{W}{t}\\\\P = \frac{6000 \ J}{30 \ s}\\\\P = 200 \ W[/tex]
[tex]W = 6 \ kJ = 6 \ 000 \ J\\t = 0,5 \ min = 30 \ s\\P = ?\\\\P = \frac{W}{t}\\\\P = \frac{6000 \ J}{30 \ s}\\\\P = 200 \ W[/tex]