**Q: **Is a damping ratio a dimensionless measure describing how oscillations in a system decay after a disturbance? ¶

**A: **Yes.

**Q: **Is a damping ratio dimensionless? ¶

**A: **Yes, and being the ratio of two coefficients of identical units.

**Q: **Is a damping ratio a parameter? ¶

**A: **Yes, and usually denoted by ΞΆ , that characterizes the frequency response of a second order ordinary differential equation.

**Q: **Is a damping ratio a measure of describing how rapidly the oscillations decay from one bounce to the next? ¶

**A: **Yes.