[tex]dane:\\m = 2 \ kg\\Q = 1 \ kJ = 1000 \ J\\c_{s} = 447\frac{J}{kg\cdot K}\\szukane:\\\Delta T = ?\\\\Q = c_{s}\cdot m\cdot \Delta T \ \ /:(c_{s}\cdot m)\\\\\Delta T = \frac{Q}{c_{s}\cdot m}\\\\\Delta T = \frac{1000 \ J}{447\frac{J}{kg\cdot K}\cdot2 \ kg} \approx 1,12 \ K \approx 1,12^{o}C[/tex]
