Frequency of 220 hertz is used to measure the speed of, Physics

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Frequency of 220 hertz is used to measure the speed of

Frequency of 220 Hertz is used to measure the speed of passing cars. When at rest by the side of the road, an approaching car reflects sound wave back to you, and you found the frequency increased by 32 hertz. Find what is the speed of the car? (Speed of sound 343 m/s)

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Physics: Frequency of 220 hertz is used to measure the speed of

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Physics: Frequency of 220 hertz is used to measure the speed of

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