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Physics, 18.08.2021 17:20 fffcc8759

Một ống nghiệm khối lượng 10 g được đậy kín bằng nút chai khối lượng 1 g chứa một số ete. Khi đốt nóng ống nghiệm, nút chai bay ra dưới áp suất của khí ete. Ống nghiệm được treo bằng một thanh cứng không trọng lượng có chiều dài 5 cm. Vận tốc nhỏ nhất mà nút chai bay ra khỏi ống nghiệm để ống nghiệm mô tả một vòng tròn thẳng đứng hoàn toàn về điểm treo là bao nhiêu? Bỏ qua khối lượng của ête.

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Một ống nghiệm khối lượng 10 g được đậy kín bằng nút chai khối lượng 1 g chứa một số ete. Khi đốt nó...

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