Water flows through a sand filter as shown on the figure. The soil has a cross sectional area of 0.33 m². d1=d2-d3=0.53 m. Head difference is 0.90 m. Inflow Outflow Soll A Soil B Soil C -d2- d3 Coefficient of Permeability for Each Soil: Soil A Kax 2.44 x 102 cm/s Soil A Kaz 1.58 x 10-3 cm/s Soil B Kbx 1.90 x 102 cm/s Soil B Kbz 2.70 x 10-3 cm/s |Soil CKcx 3.19 x 102 cm/s Soil C Kcz 3.39 x 103 cm/s Compute the interstitial velocity if the soil has a void ratio of 0.69 in meters per minute.. Use 4 decimal places.

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.