15. A ruby-throated hummingbird beats its wings at a rate of about 70 wing beats per second. What is the frequency in Hertz of the sound wave? b. Assuming the sound wave moves with a velocity of 350 m/s,

15. A ruby-throated hummingbird beats its wings at a rate of about 70 wing beats per

second.
What is the frequency in Hertz of the sound wave?
b. Assuming the sound wave moves with a velocity of 350 m/s, what is the
wavelength of the wave?
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15. A ruby-throated hummingbird beats its wings at a rate of about 70 wing beats per second. What is the frequency in Hertz of the sound wave? b. Assuming the sound wave moves w…

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