# Wave Speed Calculations

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Name:______________Period:_______ Calculating Wave Speed, Frequency and This worksheet is designed to give you some practice using the general wave equation: v=λƒ. You’ll be expected to use this equation correctly or the upcoming chapter test, sound lab and test. 1.)Frequency = 5 HzWavelength = 100m Speed = 2.)Frequency = 20 HzWavelength = 200 m Speed = 3.)Frequency = 27 HzWavelength = 150 mSpeed = 4.)Frequency = 27 HzWavelength = Speed= 46 m/s5.)Frequency = Wavelength = 502 kmSpeed= 100 m/s6.)Frequency = Wavelength = 326 mSpeed = 14 m/s 7.)Frequency = 97 HzWavelength = 1378 kmSpeed = 8.) Frequency = 78 Hz   Name:______________Period:_______ Calculating Wave Speed, Frequency and Wavelength = 1378 kmSpeed = 9. What is the v if λ = 8 m and ƒ = 20 Hz? 10. What is the λ if v = 50 m/s and ƒ = 25 Hz? 11. What is the ƒ if v = 50 m/s and λ = 10 m? 12. What is the v if λ = 1 m and ƒ = 345 Hz? 13. What is the λ if v = 100 m/s and ƒ = 3 Hz? 14. What is the ƒ if v = 120 m/s and λ = 3 m? 15. What is the v if λ = 3 m and ƒ = 10 Hz? 16. What is the λ if v = 345 m/s and ƒ = 790 Hz? 17. What is the ƒ if v = 345 m/s and λ = .25 m? 18. Joe the whistle maker knows that the maximum volume for a whistle will occur if the length of the whistle is exactly ¼ of the wavelength. If Joe must make a whistle that plays at a pitch of 320 Hz, how long will the whistle be? 19. How long is the wavelength of KAJA radio whose broadcast frequency is 97.1MHz? (97.1 MHz =97,100,000 Hz and v = 300,000,000 m/s) 20. Using the velocity of sound at 343 m/s and given the frequencies of a piano scale, compute the wavelengths of that scale.   Name:______________Period:_______ Calculating Wave Speed, Frequency and Note Frequency Wavelength Note Frequency Wavelength C 4 261.6 G 4 392 D 4 293.6 A 4 440 E 4 329.6 B 4 493.9 F 4 349.2 C 5 523.2

Sep 22, 2019

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