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Mechanical Vibrations (4th Edition)

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Unformatted text preview: = 15 cps : 94-248 rad/sec xm¢3= 05}: O-‘5(9 31):: 4-905 711/57- : Am: A— ampiikuale = 4- 605/(94 24.3)z 2: o-oooSSle rn 2cm“ 2 max velocflry : A09 = 0-05204- ”/5 Q x:Acasa3t, xmmx= Ana-25mm , i=-(S:Aco$a9f Q “N“ " A”: °' '43 = 3324 """"‘/S1 : w: = ”MA = 15636 (ma/Sf QPeroi'n‘ng speed 936 pump: = :25v25’37 rad/g : Iii-9395‘ rpm 1 2m 1 ’ 27rtr 7 x(t)——-Xsin ; xm= —J'X23'an2 dt T r o r 2 t l—cos‘tm-t Using 51in.2 7r =,————-——T-—, we obtain 1’ 2 3. .1. X2111 4m 2 fit 11.4fm,” "rm‘ 7; 37°“ T1“ ‘7’ E 57““ 1' ‘0 I i 2 = 2?— L—l—sin47r—0-i-0 = X T 2 ‘Il' U2 @ ELEVEEEEE'EE’E‘EEE' xC-t) = 1“’0. 172 From £341.73), [an _-_- —%.- jzcflj Sin mat a”: 2.3.5.218) Sm not at ° -% o _ 7: =%[Irx(f:) Sm ntfibdt +fx/EH Sm ntaf at] T (51) Since Sin(-nwf) =—- Sin(n(.3‘t)= OCH funcfion of t, Hue Product of 2:01;) cuncl sin neat if an odd funcfron Further, for a.“ as” function 538:), £643) = — far), anal 25 ...
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