Determine the car-s speed from the observations
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching police car. After the police car passes, the observed frequency of the siren is 455 Hz. Determine the car's speed from these observations.
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After the police car passes, the observed frequency of the siren is 455 Hz. Determine the car's speed from these observations.
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