một bình hình trụ đựng đầy nước gây ra áp suất lên điểm A của đáy bình là 14000N/m2 lên điểm B trong lòng nước là 8000N/m2 Tính khoảng cách từ điểm B trong bình lên điểm A ở đáy mong mọi người giúp mik nhanh ạ mik đag cần gấp cảm ơn mọi người nhiều ạ

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