/sci/ - Science & Math

>>	Anonymous Fri Jan 22 19:16:45 2021 No.12615952 [View] File: 308 KB, 746x850, ef869ffc0f82c59d820a6eec9acf742e.png [View same] [iqdb] [saucenao] [google] >>12615858 don't sell yourself short, anon! we're all gonna make it!

Anonymous Thu Oct 1 18:02:00 2020 No.12183627 [View]
File: 308 KB, 746x850, ef869ffc0f82c59d820a6eec9acf742e.png [View same] [iqdb] [saucenao] [google]

>>12183606
consider the distance the two waves travel to get to x: 5 meters for the top speaker and 4 for the bottom. this means the top wave will lag 1 meter behind the bottom one. now, if a wave is shifted an entire wavelength from another, that's equivalent to not being shifted at all (do you see why?). if its shifted a half wavelength, then the peaks of one wave will line up with the troughs of the other, and vice verse, so they perfectly cancel out. do you see why 1 m waves would double here, and 2 m waves would cancel?

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/sci/ - Science & Math

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