The frequency of a steam train whistle as it approaches you
The frequency of a steam train whistle as it approaches you is 532Hz . After it passes you, its frequency is measured as 458Hz. How fast was the train moving (assume constant velocity)?
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the frequency of a steam train whistle as it approaches you is 532hz after it passes you its frequency is measured as
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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