Calculate the wavelengths in air at 20°C for sounds in the maximum range of human hearing. The speed of sound in air is 343 m/s. Part A Calculate the wavelength of a 20-Hz wave. Express your answer to two significant figures and include the appropriate units. Alow = Submit Part B μA Value Request Answer Units ? Calculate the wavelength of a 20,000-Hz wave. Express your answer to two significant figures and include the appropriate units. ?
Calculate the wavelengths in air at 20°C for sounds in the maximum range of human hearing. The speed of sound in air is 343 m/s. Part A Calculate the wavelength of a 20-Hz wave. Express your answer to two significant figures and include the appropriate units. Alow = Submit Part B μA Value Request Answer Units ? Calculate the wavelength of a 20,000-Hz wave. Express your answer to two significant figures and include the appropriate units. ?
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Transcribed Image Text:Calculate the wavelengths in air at 20°C for sounds
in the maximum range of human hearing. The
speed of sound in air is 343 m/s.
Part A
Calculate the wavelength of a 20-Hz wave.
Express your answer to two significant figures and include the appropriate units.
Alow =
Submit
Part B
Ti
μA
Value
Request Answer
Units
ΜΑ
?
Calculate the wavelength of a 20,000-Hz wave.
Express your answer to two significant figures and include the appropriate units.
?
Transcribed Image Text:Part C
What is the wavelength of a 22-MHz ultrasonic wave?
Express your answer to two significant figures and include the appropriate units.
Aultrasonic =
Submit
0
μᾶ
Value
Request Answer
Units
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