Standing at a crosswalk you hear a frequency of 550 hz from
Standing at a crosswalk, you hear a frequency of 550 Hz from the siren of an approaching ambulance.After the ambulance passes, the observed frequency of the siren is475 Hz. Determine the ambulance's speed from these observations. In km/hour
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standing at a crosswalk you hear a frequency of 550 hz from the siren of an approaching ambulanceafter the ambulance
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