[tex]dane:\\m = 2 \ kg\\c_{p} = 2 \ 258 \ 000 \ \frac{J}{kg}\\szukane:\\Q = ?\\\\\\c_{p} = \frac{Q}{m} \ \ /\cdot m\\\\Q = c_{t}\cdot m\\\\Q = 2258000\frac{J}{kg}\cdot2 \ kg\\\\\underline{Q = 4 \ 516 \ 000 \ J = 4 \ 516 \ kJ = 4,516 \ MJ}\\\\1 \ kJ = 1000 \ J\\1 \ MJ = 1 \ 000 \ 000 \ J[/tex]
