Formulas
frequency = speed of sound / wavelength
speed of sound = (331.5 + 0.60 x temperature of air in Celsius) m/s
Directions
Using the formulas listed above, solve the following problems. Round approximate answers to 2 digits after the decimal.
Problem 1
A sound wave traveling through 26º C air has a wavelength of 1.77 meters. What is the frequency of the sound wave?
Answer: _________________________
Problem 2
A jet aircraft is traveling at mach 3.1 through air at 16ºC. What is the jet's speed in m/sec?
Answer: _________________________
Problem 3
What is the frequency of a wave that travels at a speed of 10 m/s and has a wavelength of 1.4 m?
Answer: _________________________
Problem 4
What is the wavelength of a wave that travels at a speed of 4 m/s and has a frequency of 2.8 Hertz?
Answer: _________________________
Problem 5
What is the speed of a wave that has a wavelength of 6.75 m and a frequency of 1.7 Hertz?
Answer: _________________________
Problem 6
What is the wavelength of a wave that travels at a speed of 25 m/s and has a frequency of 4.9 Hertz?
Answer: _________________________
© 2019 Laura Glassel – lizzietutoring.blogspot.com
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