Physics, 05.03.2020 06:11, hailenardos5

A car speeding down the highway honks its horn, which has a frequency 392 Hz, but a resting bystander hears the frequency 440 Hz. If the speed of sound in air is 343 m/s, how fast is the car moving

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A car speeding down the highway honks its horn, which has a frequency 392 Hz, but a resting bystande...