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Physics, 19.06.2021 05:50 kitttimothy55

hai nguồn sóng kết hợp trên mặt nước cách nhau một đoạn là AB bằng 9 bước sóng phát ra dao động cùng pha nhau. Trên đoạn AB số điểm có biên độ cực đại cùng pha với nhau và cùng pha với nguồn không kể 2 nguồn là bao nhiêu??

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hai nguồn sóng kết hợp trên mặt nước cách nhau một đoạn là AB bằng 9 bước sóng phát ra dao động cùng...
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