[tex]dane:\\m = 5 \ kg\\c_{t} = 270 \ 000 \ \frac{J}{kg}\\szukane:\\Q = ?\\\\\\Q = c_{t} \cdot m\\\\Q = 270 \ 000\frac{J}{kg}\cdot 5 \ kg\\\\\underline{Q = 1 \ 350 \ 000 \ J=1 \ 350 \ kJ = 1,35 \ MJ}\\\\1 \ kJ = 1000 \ J\\1 \ MJ = 1 \ 000 \ 000 \ J[/tex]
