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I need help please ??????!!!
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I need help please ??????!!!

I need help please ??????!!!-example-1
User Rumdrums
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hi i haven't done physics for like 3 yrs but i'm pretty sure

the one on top is a rarefaction

number 2 a compression since it's all compressed together

and number 3 has to be wavelength since that's the measure of a single wave

User Divyam Shukla
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