1. Calculating Wave Speed

2. Wave Speed v fλ

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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