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Physics, 27.07.2021 20:40 sheram2010

Một hình trụ tròn có đường kính đáy 4cm cao 18cm nhưng chìm trong chậu nước theo chiểu phương thẳng đứng sao cho đáy dưới cách mặt nước 28cm. Tính lực tác dụng vào các mặt đáy của hình này biết pi= 3,14 và trọng lương riêng của nước là 10000N/m^3

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