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Tp-25stopni
Tk= -30stopni
Q1=cmd.T
Q=4200J/kg*K*2kg*25K= 210 000J
Q2=cm
Q=334 000J/kg* 30K= 10 020 000
Qc=210 000J+10 020 000J = 10 230 000J= 10,23MJ