The 15-lb rectangular plate has a natural period of vibration t = 0.4 s, as it oscillates AB. Neglect the mass of the rod. Suppose that a = 3 ft. around the axis of rod b=5 ft. (Eigure 1) Figure < 1 of 1 ▼ Part A Determine the torsional stiffness & of the rod, measured in lb-ft/rad. Express your answer in pound-feet per radian to three significant figures. k= Submit VAΣ vec Provide Feedback Request Answer ? lb-ft/rad
The 15-lb rectangular plate has a natural period of vibration t = 0.4 s, as it oscillates AB. Neglect the mass of the rod. Suppose that a = 3 ft. around the axis of rod b=5 ft. (Eigure 1) Figure < 1 of 1 ▼ Part A Determine the torsional stiffness & of the rod, measured in lb-ft/rad. Express your answer in pound-feet per radian to three significant figures. k= Submit VAΣ vec Provide Feedback Request Answer ? lb-ft/rad
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