# 1. What is the wave speed of a wave that has a frequency of 100 Hz and a wavelength of 0.30 m? 2. What is the wave speed of a wave that has a frequency of 50 Hz and a wavelength of 0.10 m? 3. What is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m? 4. What is the frequency of a wave that has a wave speed of 80 m/s and a wavelength of 0.20 m? 5. What is the frequency of a wave that has a wave speed of 120 m/s and a wavelength of 0.40 m? 6. What is the wavelength of a sound wave that has a speed of 340 m/s and a frequency of 440 Hz? 7. What is the wavelength of a sound wave that has a speed of 340 m/s and a frequency of 880 Hz? 8. What is the wavelength of a sound wave that has a speed of 250 m/s and a frequency of 400 Hz?

(1) Answers

1. 30 2. 5 3. 40 4. 400 5. 48 6. 0.77 7. 0.39 8. 0.625

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