Physics, 13.12.2019 06:31, juniorlb01

While sitting in your car by the side of a country road, you are approached by your friend, who happens to be in an identical car. you blow your car’s horn, which has a frequency of 260 hz. your friend blows his car’s horn, which is identical to yours, and you hear a beat frequency of 6.0 hz. how fast is your friend approaching you?

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While sitting in your car by the side of a country road, you are approached by your friend, who happ...