Naive physics question: why do gigantic (think car dealership) flags look like they're waving in slow motion?
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Is it just because the waving has the same absolute velocity as a smaller flag's but is smaller relative to its size?
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Replying to @JSEllenberg
According to a model by Argentina and @mahadevan_lab on the "fluttering flag instability", the oscillation frequency is inversely proportional to the square-root of the flag length:https://www.pnas.org/content/102/6/1829 …
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