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OpenStudy (anonymous):
I know this is a PHYSICS question. But still as physics has no viewer I am writing it here. I think you will support this with your answers. Q: Sound is propagating through air @ 30 degree C passes through a vertical cold front into air that is 4 degree C. If the sound has a frequency of 2500Hz, by what % does its wavelength change in crossing the boundry.
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OpenStudy (anonymous):
Pls help @saifoo.khan @facemash-RNC
OpenStudy (anonymous):
Yup1
OpenStudy (anonymous):
help!
OpenStudy (anonymous):
@satellite73
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