SOLUTION: Please help! I have a question! At 20 degrees C, the speed of sound is approximately 340 m/s. The upper limit of the length of sound waves audible to the human ear is about 17 m. W

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Question 941271: Please help! I have a question! At 20 degrees C, the speed of sound is approximately 340 m/s. The upper limit of the length of sound waves audible to the human ear is about 17 m. Which is the frequency of these sound waves? A or B
A. 0.05 Hz
B. 20 Hz
Thank you!

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
t 20 degrees C, the speed of sound is approximately 340 m/s.
The upper limit of the length of sound waves audible to the human ear is about 17 m. Which is the frequency of these sound waves? A or B
:
Frequency is equal the speed of sound divided by the wave length
f = 340/17
f = 20 hz