For a damped oscillator with a mass of 230 g, a spring constant 140 N/m and a damping coefficient of 74 g/s, what is the ratio of the amplitude of

For a damped oscillator with a mass of 230 g, a spring constant 140 N/m and a damping coefficient of 74 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 29 cycles?