A machine is subjected to the vibration [x(t)=20 sin 50 t+5 sin 150 t mathrm{~mm} quad(t text
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A machine is subjected to the vibration
\[x(t)=20 \sin 50 t+5 \sin 150 t \mathrm{~mm} \quad(t \text { in } \mathrm{s})\]
An accelerometer having a damped natural frequency of \(80 \mathrm{rad} / \mathrm{s}\) and an undamped natural frequency of \(100 \mathrm{rad} / \mathrm{s}\) is mounted on the machine to read the acceleration directly in \(\mathrm{mm} / \mathrm{s}^{2}\). Discuss the accuracy of the recorded acceleration.
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