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Капля масла объёмом 1,8мм2 растекается по поверхности воды, не смешиваясь с водой. Диаметр молекулы масла равен 0,0000009мм. Найдите площадь масляного пятна и выразите ответ в метрах квадратных
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Предмет:
Физика -
Автор:
admiral9jx8 - 5 лет назад
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Ответы 1
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V=1.5 мм^3d=5*10^-7 ммS=v/dS=1.5/5*10^-7=0.3*10^7 мм^2=3м ^2=300дм^2
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Автор:
shastaterrell - 2 года назад
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13
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