DRAFT: This module has unpublished changes.
http://www.artinaid.com/2013/04/sound/
Problem #1:
Find the wavelength in air at 20°C of a sound wave of 20 Hz. Consider the speed of sound is 343m/s.
λ= v / f
λ= 343 m/s / 20 Hz
λ= 17.2 m
DRAFT: This module has unpublished changes.
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