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sound wave

my question is- "A around wave of frequency 220 Hz travels along a steel bar. Its wavelength is 25 m. How fast is the wave travelling?"

Speed (or velocity of a wave) = frequency x wavelength, so for your values; Speed = 220 x 25 = 5500 m/s
Mark B.
06 September 2012
thanks! :)
07 September 2012
No worries, let me know if you're still having trouble!
Mark B.
08 September 2012
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