Calculating Wave Speed

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Calculating Wave Speed
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Wave Speed
v
f
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Practice Problem 1

• What is the speed of a sound wave that has a
  wavelength of 2 m and a frequency of 170.5 Hz?
• 341 m/s

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Practice Problem 2

• A wave traveling in water has a frequency of 500
  Hz and a wavelength of 3 m. What is the speed of
  the wave?
• 1,500 m/s

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Practice Problem 3

• The lowest-pitched sounds humans can hear have a
  frequency of 20 Hz. What is the wavelength of
  these sound waves if their wave speed is 340 m/s?
• 17 m

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Practice Problem 4

• The highest-pitched sound humans can hear have a
  wavelength of 0.017 m in air. What is the
  frequency of these sound waves is their wave
  speed is 340 m/s?
• 20,000 Hz

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Practice Problem 5

• Calculate the frequency of a water wave that has
  a wavelength of 0.5 m and a speed of 4 m/s.
• 8 Hz

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Practice Problem 6

• An FM radio station broadcasts radio waves with a
  frequency of 100,000,000 Hz. What is the
  wavelength of these radio waves if they travel at
  a speed of 300,000 km/s?
• 0.003 km