Consider the following network function: \( H(s) = \frac{10s}{s^2 + 300s + 10^6} \) The quality factor \( Q \) is:
a
What is the maximum depth to which a trench of vertical sides can be excavated in a clay stratum with c = 50 kN/m², y = 16 kN/m³, β = 90°, ¢ = 0°, Fc = 1 and N = 0-261?