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40kg* Cw *10⁰C+60kg * Cw*90⁰= 100kg* Cw* 58⁰C /:Cw
400+5400=5800
chyba sprawdź
pasuje
ciepło pobrane
m1=40kg
Cw1= 4200J/kg*stC
T=10stC
Tk=58stC
deltaT1=48st
ciepło oddane
m2=60kg
Cw2= 4200J/kg*stC
T=90stC
Tk=58stC
deltaT2=32stC
Q1=Q2
m1Cw1deltaT1=m2Cw2deltaT2
40kg*4200kg/J*stC*48stC=60kg*4200J/kg*stC*32stC
8064000=8064000