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A man Standing 300m away for a wall, sounds a whistle. The echo from the...

A man Standing 300m away for a wall, sounds a whistle. The echo from the wall reaches him 1.8seconds later Cal-The velocity of sound in air. A note of frequency 2000hz has a velocity 400m/s. what is the wavelength of the note?
In Federal College of Education, Odugbo
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Asked by David favour on 30th June, 2025
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