A car is approaching a reflecting wall a stationary


Solve the all parts of following question:

Question: A car is approaching a reflecting wall. A stationary observer behind the car hears a sound of frequency 790 Hz from the car horn and a sound of frequency 873 Hz from the wall.

Part A: How fast is the car traveling?

.......... km/h

Part B: What is the frequency of the car horn?

........... Hz

Part C: What frequency does the car driver hear reflected from the wall?

............ Hz

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Physics: A car is approaching a reflecting wall a stationary
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