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Physics, 26.11.2021 15:40 rainyfallaw

Trong một thí nghiệm giao thoa trên mặt nước người tq dùng nguồn dao động có tần số 15hz vận tốc truyền sóng trên mặt nước là 30cm/s xác định biên độ dao động có biên độ cực đại

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Trong một thí nghiệm giao thoa trên mặt nước người tq dùng nguồn dao động có tần số 15hz vận tốc tru...
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