In the rough sea of Chapter Problem 4.47, what is the required stiffness of an elastic foundation
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In the rough sea of Chapter Problem 4.47, what is the required stiffness of an elastic foundation of damping ratio 0.05 to limit the acceleration amplitude of a \(5-\mathrm{kg}\) radio set to \(1.5 \mathrm{~m} / \mathrm{s}^{2}\) ?
Data From Chapter Problem 4.47:
In a rough sea, the heave of a ship is approximated as harmonic of amplitude \(20 \mathrm{~cm}\) at a frequency of \(1.5 \mathrm{~Hz}\). What is the acceleration amplitude of a \(20-\mathrm{kg}\) computer workstation mounted on an elastic foundation in the ship of stiffness \(700 \mathrm{~N} / \mathrm{m}\) and damping ratio 0.04 ?
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