Предмет: Физика, автор: kotiksuper

Ведро горячей воды температура которого 100 гр а масса 10 кг остывает до комнатной температуры 22 гр . Какое кол-во теплоты вода отдаёт окр телами и воздуху

Ответы

Автор ответа: liska120803
0

Дано:

t1= 100°C

t2=22°C

m= 10кг

c= 4200 Дж/кг°С

Найти Q

Решение

Q= c•m(t2-t1)

Q= 4200•10(22-100)

Q= - 3 276 000Дж


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