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Physics 18 Online
OpenStudy (anonymous):

What is the least dense part of a sound wave? peak rarefaction trough compression Not really sure on this question. Thinking its rarefaction?

OpenStudy (anonymous):

@ybarrap

OpenStudy (anonymous):

It is a rarefaction, a trough is for EM waves, for sound waves, the equivalent would be a rarefaction so yes, you're correct

OpenStudy (ybarrap):

you and @greenleaf800073 are correct: http://en.wikipedia.org/wiki/Rarefaction

OpenStudy (anonymous):

awesome! :)

OpenStudy (anonymous):

could u guys help me out with one more question?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

sorry openstudy froze on me but I was able to answer the second question :)

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