1B24 Waves Optics and Acoustics Lecture 7of 33 (UCL)

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Displacement y

t

t

pÂŁ :B=XO>H;A.nƒˆrmŠ‰>ÂĽ 465[FgA H;DZ_`7G5>=@A CXkpA 5>A HW=XTÂłabA F6efA A 5RF6e„C D C@OjL>?BA NRLbA 5>NjO>?BO>P 9 m XsA"_`7  XA†9;A A 5s_>CÂ…e :<FÂą:<9 LbC@9W9;:Baj?BAJklC@HÂą?B:<5>hXA NsC@9WD :<?B?E7¨FgC@HW9VFgCÂłFgH;7X5>9WklA H A 5>A HW=XT 7XP C@5>=X9WF Fg_jA P 9;A ?w @A 9 ‘m XsA 5>CÂ…e P"CÂ… XA"C@5 FgC|?BCrC@h€7GFÂą_>CÂ…eÂœFg_j:B9ÂąA 5>A H;=XT F;Hg7X5j9WklA H D 7X5RLjH;C@L`7G=[7GFgA.F;_>H;CXO>=@_|7 9WA HW:BA 9{CXkĂŤC@9WD :B?<?E7GF;C@H;92FgC klC@H;PÂ?7}eÂŽ7  @AGm nƒˆ°6c ÂŤ In this example the two normal mode frequencies were in the ratio 5:6 1

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