Physics, 23.07.2021 20:10 brittanysanders
Một bể chứa dầu dưới áp suất 5at. Khi tháo ra ngoài 40 lit dầu, áp suất trong bể giảm xuống chỉ còn 1at. Xác định dung tích bể chứa cho biết hệ số co thể tích của dầu w=7,55.10-10 m2/N
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Một bể chứa dầu dưới áp suất 5at. Khi tháo ra ngoài 40 lit dầu, áp suất trong bể giảm xuống chỉ còn...
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