Question: A (2 mathrm{~kg}) mass is connected to a spring with a stiffness of (1000 mathrm{~N} / mathrm{m}). When given an initial displacement of (25 mathrm{~mm}),

A $2 \mathrm{~kg}$ mass is connected to a spring with a stiffness of $1000 \mathrm{~N} / \mathrm{m}$. When given an initial displacement of $25 \mathrm{~mm}$, the area under the hysteresis curve of the spring is measured as $0.06 \mathrm{~N} \cdot \mathrm{m}$. What is the equivalent viscous damping ratio of the motion?

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