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Ответ

Ответ дан
brain1406
m1=100кг
m2=2,1кг
q=1,3*10^7 Дж/кг
с =4200 Дж/кг*С
t2-t1 -?
Решение:
qm2=cm1(t2-t1)
t2-t1=qm2/cm1= 2,1*1,3*10^7/4200*100=65*C
Удачи в школе;) можешь не волноваться я учусь в физмате)

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