Homework Help: Physics

Posted by Sarah on Monday, June 29, 2009 at 10:12pm.

The speed of sound in steel is 5000 m/s. What is the wavelength of the sound wave of 640 Hz in steel?

Physics - Marth, Tuesday, June 30, 2009 at 10:10am
velocity = frequency * wavelength
V = f*w

5000 m/s = 640 Hz * wavelength
wavelength = 7.8 m

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