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Question: an isolator of stiffness k and damping ratio washing machine...

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An isolator of stiffness k and damping ratio washing machine. The washing machine operates at 1200 rev/min and has a mass of 60 kg. If the isolator provides 70% isolation, determine the isolator stiffness k for the following cases a) If it is undamped 2. is used to reduce the vibration produced by a b) Consider a damping ratio of 0.01 c) consider a damping ratio of ζ -0.15.
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