# DHM equation

1. Feb 19, 2008

### romd

1. The problem statement, all variables and given/known data

Concerning damped harmonic motion (mass on a spring using cardboard discs as dampers); for the equation (below) of the graph describing the effect of different sized dampers on the time taken for amplitude of oscillations to halve, what do b (y-intercept) and n (gradient) represent? (A=area of damper; T=time taken for amplitude to halve)

2. Relevant equations

$$T=b.A^n$$
(i.e. $$ln(T)=n.ln(A) + ln(b)$$ )