Предмет: Физика, автор: omiralikorgan

помогите пожалуйста ​

Приложения:

Ответы

Автор ответа: Zhanibek01
1

Объяснение:

1)Дано:

V=5м³

q=13×10⁶Дж/кг

р=0,7×10³кг/м³

Q-?

Q=qm

m=pV

Q=qpV=13×10⁶×0,7×10³×5=45,5×10⁹Дж

Ответ:45,5×10⁹Дж

2)дано:

m=400г= 0,4кг

q=27×10⁶Дж/кг

Q-?

Q=qm

Q=27×10⁶×0,4= 10,8×10⁶Дж= 10,8МДж

Ответ: Q=10,8МДж

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