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Physics, 18.09.2021 19:40 oscardiazbet8803

Một sóng cơ học được truyền theo phương Ox với biên độ không đổi. Phương trình dao động tại nguồn O có dạng u = 6sinπt/3 (cm) (t đo bằng giây). Tại thời điểm t1 li độ của điểm O là 3 cm. Vận tốc dao
động tại O sau thời điểm đó 1,5 (s) là

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Một sóng cơ học được truyền theo phương Ox với biên độ không đổi. Phương trình dao động tại nguồn...

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