t1=20C
Q=30.4кДж=30400Дж
m=200г
С=400 Дж/кг*С
t2=?
Q=Cmt
t=Q/mC=380C
t=t2-t1
t2=380C+20C =400C
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t1=20C
Q=30.4кДж=30400Дж
m=200г
С=400 Дж/кг*С
t2=?
Q=Cmt
t=Q/mC=380C
t=t2-t1
t2=380C+20C =400C