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помогите пожалуйста !!
Сколько железнодорожных цистерн потребуется для перевозки нефти массой 200 тонн , если объём каждой цистерны 50м 3 ?
Ответы 1
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Дано:m = 200 т = 200 000 кгVo = 50 м³N - ?Общий объем нефти:V = m/ρρ = 800 кг/м³ - плотность нефтиV = 200 000 / 800 = 250 м³Количество цистернN = V / Vo = 250/50 = 5 цистерн
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Автор:
swiss miss - 6 лет назад
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