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3. Consider the simple harmonic oscillator. sub) Simple harmonic oscillator, subject to an external force f.my + ky = f. whe
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myt kg of (mg²tk) y = f Det skaber Yelta a cos/ S T tel + C2 sinf Stet) (mDfk) atelt D) - yits wol SE 1) + C2 sin( SE 4)+ +mape CmD) mtic yltla Gosts Te t) tasin (Set) + et gloko - as inte htk S ee se aJE +) - E sin( +1) mtk g flts simt - Sint (myetle Gos/t1 + (2 sinlt -t cost am glolo - y (o)= 0 Cao - ((2 = 12 yat ylte I sint of cost)

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