What is the frequency of the car horn

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Reference no: EM13257309

A car is approaching a relecting wall. A stationary observer behind the car hears a sound of frequency 745Hz from the horn, and a sound of frequency 863Hz from the wall. How fast is thecar traveling.

What is the frequency of the car horn?

What is the frequency of the sound reflected by the wall heard by the car's driver?

Reference no: EM13257309

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