Engineering, 18.06.2021 02:00 emmaty6821
Một bình bằng thép có thể tích tăng 1% khi áp suất tăng thêm 70Mpa. Ở điều kiện trạng thái áp suất p=101,3Kpa bình chứa đầy 450kg nước ( ρ =1000kg/ m3 ). Biết suất đàn hồi K=2,06. 109 pa. Hỏi khố lượng nước cần thêm vào để tăng áp suất lên thêm 70Mpa.
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Một bình bằng thép có thể tích tăng 1% khi áp suất tăng thêm 70Mpa. Ở điều kiện trạng thái áp suất p...
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