September 2018 1 44 Report
Temat; równość strat i zysków.

Do 50g. wody o temp.10°C dolano 20 kg. wody o temp. 45°C. Oblicz temp. końcową mieszniny.
Dane: Szukane:
m₁=50g. T=?
m₂=20 kg.
T₁=10°C
T₂=45°C

daje max z ,gory dzieki.
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