midterm2.pdf

# E il t 1 i f i q 411 t a rko tn b l lie rrt3 yritris

• Test Prep
• 7

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'*-E il t-1 -" i",{ ,,"'f i-. q.{ ; .4,11 t .;a \$rk*o t":***n b*.*-L- lie- r""'{rt3 Y;.ritri:"s} , W ":'-*---- ---'.,...n I \? ri i "i t* i i#Q i L****:*-'' (b) Let *:6 be the natural frequency of the unforced system' Assume F(t) :5 cos(a,'t) where r,,' is the frequency of the forcing' There is a significant difference in iong-term behar,ior of the solutions depending on wh^ether ur = Irs oi c,.r * uo. Briefly in words, give the name of this behavior AND specifically describe the key difference in behavior' iYou dou't have io salve a;ryffulng here, one to.two sentences is all,ou need)- - -*-*--f- {f L;-;,::: i*r}g', **{*:*- \***' fI"*-:**url;ar f ' .,..1 r.!i Tt,"*' r:t,'"1-\i-\x;Ji":* r"',ri-:*;; t'u'*'* *q'l:" u*'-- \Loti-'l"i:t""t q {l;tt "-"-'-t---"*--**-******-**-*--** '"-#---'- '*
• Fall '08
• NAGY,KRISZTINA
• Trigraph

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