An energy harvester is being designed to harvest the vibrations form a (200 mathrm{~kg}) machine that has
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An energy harvester is being designed to harvest the vibrations form a \(200 \mathrm{~kg}\) machine that has a rotating unbalance of \(0.1 \mathrm{~kg} \cdot \mathrm{m}\) which operates at \(1000 \mathrm{rpm}\). The harvester is to have a mass of \(1 \mathrm{~kg}\) and a damping ratio of 0.1 .
(a) What is the stiffness of the harvester?
(b) What is the power harvested from the machine if it operates continuously in one day.
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