Physical permeability of a soil KP is related to the coefficient of permeability by the equation ___________
(a) KP=kɳ
(b) KP=kɳ/γW
(c) KP=k/ɳ
(d) KP=k γW
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I'd like to ask this question from Factors Affecting Permeability in division Permeability of Geotechnical Engineering I