The following data is for a single degree of freedom system with viscous damping:
mass, $m=10 \mathrm{~kg} ; \quad$ spring stiffness, $k=2.25 \mathrm{~N} / \mathrm{mm} ;$ damping coefficient, $c=0.0125 \mathrm{Ns} / \mathrm{mm}$.
The ratio of any two successive amplitudes is___________
The following data is for a single degree of freedom system with viscous damping:
mass, $m=10 \mathrm{~kg} ; \quad$ spring stiffness, $k=2.25 \mathrm{~N} / \mathrm{mm} ;$ damping coefficient, $c=0.0125 \mathrm{Ns} / \mathrm{mm}$.
The ratio of any two successive amplitudes is___________