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Nadya [2.5K]
3 years ago
10

A truck is traveling 70.0 kph away from you. The driver is blowing the horn, which has a frequency of 400 Hz. The air temperatur

e is 25°C. What is the observed frequency of the horn?
Physics
1 answer:
Helga [31]3 years ago
4 0
Use this site is better https://www.cymath.com/
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Explanation:

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