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Here is the question which I am struggling on, please help me!
Question: As you stand by the side of the road, a car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. After the car goes by, you hear a frequency of 65 Hz. The speed of sound in the air is 343 m/s.
Question 1: What is the speed of the car?
Please explain each step, equations and the numbers used and what your variables stand for. Thanks!
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