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A certain accelerometer consists essentially of a box containing a mass-spring system with a known natural frequency of $2200 \mathrm{Hz}$ The box is rigidly attached to a surface that is moving according to the equation $y=\delta_{m} \sin \omega_{f} t .$ If the amplitude $z_{m}$ of the motion of the mass relative to the box times a scale factor $\omega_{n}^{2}$ is used as a measure of the maximum acceleration $a_{m}=\delta_{m} \omega_{f}^{2}$ of the vibrating surface, determine the percent error when the frequency of the vibration is $600 \mathrm{Hz}$

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Chapter 19

Mechanical Vibrations

Section 4

Forced Vibrations

Mechanical Waves

02:56

A device to produce vibrat…

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