Предмет: Физика, автор: kostian59

найдите массу медного куба с длиной ребра 6 см​

Ответы

Автор ответа: sipilovmaksim999
0

Ответ:

Там наверное 810г?

Объяснение:

810 г делим на 8.9 г/мс3, получаем объем меди 91 см3

объем куба с ребром 6 см равен 6*6*6 = 216 см3

объем полости = 216-91=125 см3

ребро куба-полости = (125)^(1/3) = 5 см

толщина стенки = (6-5)/2 = 0.5 см

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