emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear?

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A bat flies perpendicularly towards a wall with a speed of 6 m/s, emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear?
07
Nov
A bat flies perpendicularly towards a wall with a speed of 6 m/s, emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear? A bat flies perpendicularly towards a wall with a speed of 6 m/s emitting sound of frequency 450 kHz. What is [...]
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