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Physics, 10.12.2020 18:00 hugbug2554

The image shows a stationary train indicated by letter A and a moving train, indicated by letter B. If the person standing at the train station hears sounds coming from both trains, which explanation best predicts the changes in sound being observed by the person in the model?

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The image shows a stationary train indicated by letter A and a moving train, indicated by letter B....
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