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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.
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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
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