3- Calculate permeability if h1=2 m, h2= 1m, D= 2m, cross-sectional area= 0.1 m2, viscosity=
0.001 Pa.s, water density= 1000 kg/m3, and the flow rate q= 1.21x10-8 m3/s. Consider angle of
the sample to the horizontal line as 30°.
Datum
h1
A
D
h2
B
z1
z2