A device with a rotating part is placed on a spring and the spring deflects by 3.6 mm. The rotating part of the device is not perfectly balanced. When the device operates at 300 rpm, the amplitude of oscillations is 13 mm. Determine the amplitude of oscillations when the device operates at 450 rpm and 850 rpm. The damping is negligible.(
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A device with a rotating part is placed on a spring and the spring deflects by 3.6 mm. The rotating...
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