Предмет: Математика, автор: tanchit2012

14. Масса воздуха 15 кг, а объем 10 м3. Какова масса воздуха в комнате длиной 4 м, шириной 3,5 ми высотой 3 м? А) 21 B) 63 9) 13,65 D) 15.75​

Ответы

Автор ответа: prosttros
0

Ответ:

51,45 кг

Пошаговое объяснение:

Тут нету правильного варианта ответа.

Средняя плотность воздуха на уровне моря примерно равна 1,225 кг/м³.

Масса = Плотность * Объем

Масса = 1,225 кг/м³ * (4 м * 3,5 м * 3 м)

Масса = 1,225 кг/м³ * 42 м³

Масса ≈ 51,45 кг

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