Standing at a crosswalk you hear a frequency of 520 hz from
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 455 Hz. Determine the ambulance's speed from these observations.km/h
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standing at a crosswalk you hear a frequency of 520 hz from the siren of an approaching ambulance after the ambulance
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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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