A=Q
A=IUt
Q=cm(T2-T1)
IUt=cm(T2-T1)
c=4200
m=pV=1000*0.0002=0.2 кг
t=300 c
I=(cm(T2-T1))/(Ut)=(4200*0.2*90)/(12*300)=21 A
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A=Q
A=IUt
Q=cm(T2-T1)
IUt=cm(T2-T1)
c=4200
m=pV=1000*0.0002=0.2 кг
t=300 c
I=(cm(T2-T1))/(Ut)=(4200*0.2*90)/(12*300)=21 A