Q=cw*m*T
cw = 4200J/kg*K
m = 2kg
T = t1-t2
T = 100K-30K 30C=30K
T = 70K
Q = 4200J/kg*K * 2kg * 70K
Q = 588000J = 588kJ
Odp.Należy dostarczyć 588kJ energii.
załącznik.
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Q=cw*m*T
cw = 4200J/kg*K
m = 2kg
T = t1-t2
T = 100K-30K 30C=30K
T = 70K
Q = 4200J/kg*K * 2kg * 70K
Q = 588000J = 588kJ
Odp.Należy dostarczyć 588kJ energii.
załącznik.