Răspuns :
[tex]c = \frac{Q}{t \times m} [/tex]
[tex]4185 = \frac{Q}{(100 - 20) \times 1} [/tex]
[tex]4185 = \frac{Q}{80} [/tex]
[tex]Q = 4185 \times 80 = 334400j = 334.4kj[/tex]
[tex]c = \frac{Q}{t \times m} [/tex]
[tex]4185 = \frac{Q}{(100 - 20) \times 1} [/tex]
[tex]4185 = \frac{Q}{80} [/tex]
[tex]Q = 4185 \times 80 = 334400j = 334.4kj[/tex]