Предмет: Физика, автор: kolastrelok74

Дайте ответ срочно умоляю нужно сдать сегодня!!!!!
У воду масою 750г , узяту при температурі 18 0 С, додали гарячу воду
масою 0,5 кг при температурі 98 0 С, визначте кількість теплоти яка при цьому
виділилася?


zinovicgrigorij: Проверьте условие задачи. Может нужно узнать какая установилась температура смеси?
kolastrelok74: Да нужно узнать температуру смеси

Ответы

Автор ответа: zinovicgrigorij
2

Ответ: 50°С

Объяснение:

Дано:

m1=750г=0,75кг

t1=18°С

m2=0,5кг

t2=98°C

------------------

t-?

t=(t1*m1+t2*m2)/(m1+m2)=(18*0,75+98*0,5)/(0,75+0,5)=50°С

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