Engineering, 21.08.2019 23:10 mia3128
Amachine of mass 225kg is supported on a spring that deflects 18mm under the static load. the system begins to vibrate. a damper reduces the amplitude of vibration to one quarter of the initial value in 2 complete oscillations. calculate (1) the damping ratio (ii) damped and undamped natural frequencies
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Amachine of mass 225kg is supported on a spring that deflects 18mm under the static load. the system...
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