6.5.2 (Figure 4) (Figure 5) (Figure 6) 4 h 7 444 d₂ C Iz Iy 3 bh³ 12b³h b 1 36 bh³ 5 16³ h 36 B 6 d=2r &A x h B B 8 b d₂ d₂ B dz d₂ 3 Part A - Moment of Inertia of a Composite Beam about the x axis For the built-up beam shown below, calculate the moment of inertia about the z axis. (Figure 7) The dimensions are d₁ = 7.5 in, d₂ = 14.5 in, d3 = 8.0 in, and t = 0.80 in Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) I₂ = Value Part B - Moment of Inertia of a Composite Beam about the y axis μÅ HÅ 1,- Value HÅ I₂ = For the beam from Part A (shown again here for reference), calculate the moment of inertia about the y axis. (Eigure 7) The dimensions are d₁ = 7.5 in. d₂ = 14.5 in, da = 8.0 in, and t = 0.80 in Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) 3 μÅ Value → C Units Units Part C - Moment of Inertia of a Composite shape with a Hole about the x axis For the shape shown below, calculate the moment of inertia about the z axis. (Figure 8)The dimensions are d₁ = 375 mm, d₂ = 135 mm, d3 = 75 mm, and r = 50 mm. Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) → C ? Units ? ?

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