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Physics, 16.04.2021 18:10 ohgeezy

When measuring speed of sound in air, speed of light = 4f(length of column of air + 0.3 * diameter of tube). Why is multiplied by 4?
Where does the 4 come from?

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When measuring speed of sound in air, speed of light = 4f(length of column of air + 0.3 * diameter o...

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