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    The answer to Doppler effect

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    A person with perfect pitch sits on a bus bench listening to the 450-Hz horn of an approaching car. If the person detects a frequency of 470-Hz, how fast is the car moving?

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    https://brainmass.com/physics/doppler-shift/answer-doppler-effect-43266

    Solution Preview

    A person with perfect pitch sits on a bus bench listening to the 450-Hz horn of an approaching car. If the person detects a frequency of 470-Hz, how fast is the car moving?

    In this case the source of sound (car) is moving towards the observer ...

    Solution Summary

    The solution calculates the speed of the car using the frequency of the horn of an approaching car. The Doppler effect is examined.

    $2.19