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Homework #9

# Homework #9 - ‘ 1/5]— Feb 4 2008 T HW#9 Key Table-Group...

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Unformatted text preview: ‘ 1/5 ]— Feb 4, 2008 T HW#9 Key Table-Group 8.112 The mass of the homogeneous siender bar is 20 kg. Determine its moment of inertia about the z axis. 8.113 Determine the moment of inertia of the 20—kg bar about the z' axis through its center of mass. W751”, Li; I x430 22":5" MIZSJIO L1 2 L5 X95 ,7; Y“: I rut-'5 7,629: L3: L‘HLI' X93: 2- Y6}: ‘5' M13: 7. 125— {ﬂy M/L: 773m+ =3: It kg/M .__ .. J. 'L L ‘1.” - ': 1 L ‘2 'szffzmw + 1914 gj—t—[ﬁmaﬂ + 91110 1175-22-1“ f—fimxtelﬁ +msﬂ§+zjj '1 {'70} + l3,4—]4L + ammo 8.122 The homogeneous cylinder has mass m, length I, and radius R. Use integration as described in Example 8.13 to determine its moment of inertia about the x axis. Cw 4’ lipomdtaﬂd MLW X dmze‘l'fﬂafz N = we cite Pay—z 3 8.134 The obj ect consists of steel of density p = 7800 kg/mf. Determine its moment of inertia about the axis L0. 8.135 Determine the moment of inertia of the object in Problem 8.134 about the axis through the center of mass ofthe object parallel to Lo. 3: mu JI'H‘GQQ OBM innit} 4L I I 69/5424 f @‘1 1‘ M4: c/M'Qor CZ) : 'f' Wt 56”? 4 100 mm * (3): +94“ cyfmifget’ @ :3 .— LL41”: cy/{noegp/ “W _. J. 'L ' mt”? zit-(‘01) ('0') = 00+qu X6”: “m: "‘2: [960(-04’)(:0|) =5 0.31100 :.a:o:m M M3: 6 WCOZfCOS) 3 0. 244-0; an =05.” raw-Pittotfteow X623 2,.“ m —.: 0.90905 a5 Kc”. :0,ocr(SI?— wu .', LW f3“ P‘f—Q qu’: é-ZTI )‘(0'6 kj'm‘, 6"“‘1' @ Iezéf " \$171740“- ﬁié ,zwwo'L’ 4- m 4 (.04: Snjj __ .43 1'... 'LL " \$.67? ;<.(0 [Lg-WM (39 NM m4»— WW Mrgjbwww LarcuLnQ Iowa] 12519; + MG‘GZ/ﬂiZq/D 34974 H0 ‘11— \$2 + .(aoeos'QvaéWQL __._ -3 1. u— L672" L020 x/o kj'm ...
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