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One day when the speed of sound in air is 343 m/s, a fire truck traveling at v, = 26 m/s has a siren

fa=1 What frequency, in units of hertz, does the driver of the truck hear? Hz

One day when the speed of sound in air is 343 m/s, a fire truck traveling at v, = 26 m/s has a siren which produces a frequency of f = 417 Hz. Randomized Variables vs = 26 m/s f=417 Hz fa=1 What frequency, in units of hertz, does the driver of the truck hear? Hz

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