A video camera, of mass 2kg, is mounted on the top of a bank building for surveillance. The video camera is fixed at one end of a tubular aluminium rod whose other end is fixed to the building as shown in the figure below. The wind-induced a force acting on th video camera, f(t), which is found to be harmonic with, f(t) = 25cos 75t N. Determine the circular cross-sectional dimension of t aluminium tube if the maximum amplitude of vibration of the video camera is to be limited to 0.005m or X ≤ 0.005m. Given that the equivalent stiffness of the tubular aluminium rod is k = 31, and the moment of inertia of the tube is I = §dt(d² + t²) where d, t and I are the diameter, thickness, and length of the tube, respectively. Video num

Elements Of Electromagnetics
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A video camera, of mass 2kg, is mounted on the top of a bank building for surveillance. The video camera is fixed at one end of a
tubular aluminium rod whose other end is fixed to the building as shown in the figure below. The wind-induced a force acting on the
video camera, f(t), which is found to be harmonic with, f(t) = 25cos75t N. Determine the circular cross-sectional dimension of the
aluminium tube if the maximum amplitude of vibration of the video camera is to be limited to 0.005m or X ≤ 0.005m.
3EI
Given that the equivalent stiffness of the tubular aluminium rod is k = 37, and the moment of inertia of the tube is
I = dt(d² + t²) where d, t and I are the diameter, thickness, and length of the tube, respectively.
Video camera
Focos out
F
Building
0.5 m
▬▬▬▬▬▬▬▬▬
Tubular aluminum rod
Transcribed Image Text:A video camera, of mass 2kg, is mounted on the top of a bank building for surveillance. The video camera is fixed at one end of a tubular aluminium rod whose other end is fixed to the building as shown in the figure below. The wind-induced a force acting on the video camera, f(t), which is found to be harmonic with, f(t) = 25cos75t N. Determine the circular cross-sectional dimension of the aluminium tube if the maximum amplitude of vibration of the video camera is to be limited to 0.005m or X ≤ 0.005m. 3EI Given that the equivalent stiffness of the tubular aluminium rod is k = 37, and the moment of inertia of the tube is I = dt(d² + t²) where d, t and I are the diameter, thickness, and length of the tube, respectively. Video camera Focos out F Building 0.5 m ▬▬▬▬▬▬▬▬▬ Tubular aluminum rod
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