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SPEED OF SOUND

SPEED OF SOUND. Total Recall. Remember, V = λ f Velocity of the Wave = wavelength x frequency. Speed of Sound. The speed of sound varies Changes with - medium (solid, liquid, gas) - temperature. Where do you think sound moves the fastest???

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SPEED OF SOUND

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  1. SPEED OF SOUND

  2. Total Recall • Remember, V = λf Velocity of the Wave = wavelength x frequency

  3. Speed of Sound • The speed of sound varies Changes with - medium (solid, liquid, gas) - temperature

  4. Where do you think sound moves the fastest??? Fastest in Solids, then liquids, then gas More molecules, less space carries vibration further

  5. It’s Gettin’ Hot in Here…. • What temperatures do you think sound moves faster? Hotter temperatures More molecules already vibrating, easier to carry vibration

  6. Its time for the Calculator Vsound = (331 + .6T) T = temperature in 0C 0C = 5/9 (0F-32)

  7. I Accept • The accepted value for the speed of sound at room temperature at sea level is vsound = 343 m/s (770 mph)

  8. Go Speed Racer • 1 times the speed of sound = Mach 1 Mach # = # x speed of sound So Mach 1 = 343 m/s

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