35p-Q.2) Water flows in a rectangular channel shown below. The bump has a maximum value, AZmax, above which choking would occur. The water depth above the bump is yı = 0.80 m. A hydraulic jump occurs behind the sluice gate. a) If the water depth just under the gate is y4 = 0.40 m, find the head loss through the jump. b) Find the value of Azmax. c) Find the force per width on the sluice gate. d) Show all the depths on the specific energy curve given. q Y₁0.80 m (1) AZmax (2) (3) 0.40 m www y (m) K 45° 9 E (m)

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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.