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lethaiduong22072000
2 năm trước
Một xe tải đang chạy trên một đoạn đường nghiêng. Xe cao 4 m ; rộng 2,4 m và có trọng tâm ở cách mặt đường 2,2 m (H . Hỏi độ nghiêng tối đa của mặt đường để xe không bị lật đổ ? Mình ko hiểu vì sao lại tính tan
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