December 2018 1 8 Report
Oblicz, ile energii nalezy dostarczy bryle lodu o masie 2kg i temperaturze -10*C, aby zamienic go w wode o temperaturze 10*C? Cieplo topnienia lodu wynosi: 340 000 J/kg, cieplo wlasciwe lodu wynosi: 2100 J/kg* C cieplo wlasciwe wody wynosi: 4200 J/ kg*C.
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