need help with physics?

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need help with physics?

Sound propagating through air at 30 degrees celcius passes through a verticle cold front into air that is 4.0 degrees celcius. If the sound has a frequency of 2400 Hz. by what percentage does its wavelength change in crossing the boundary?

2006-11-17 05:31:19 · 1 answers · asked by Anonymous in Education & Reference ➔ Homework Help

1 answers

what's the humidity of the air?
what's the altitude?

2006-11-17 05:39:38 · answer #1 · answered by mike c 5 · 0⤊ 0⤋