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The uniform 60-lb log is supported by the two cables and used as a battering ram. If the log is released from rest in the position shown, calculate the initial tension induced in each cable immediately after release and the corresponding angular acceleration α of the cables.
A lake has a carrying capacity of 12,000 fish. At the current level of fishing, 3,000 fish per year are taken with the catch uniformly distributed throughout the year.
Assume that the upstream pressure is 60 psi and that the flow is isothermal at 68F, determine the maximum possible mass flow rate of air for which the assumption of incompressible flow is a vaild engineering approximation.
Undrained shear box tests were carried out on a series of soil specimens with the following results:Total normal stress (kPa) Total shear stress at failure (kPa)
A direct shear cell 25.4cm x 25.4 cm in plan is filled with dry sand. a normal load of 6kN is applied to the sample, and the shear failure is 3.5kN. What is the anle of internal friction for the sand?
A monorail train starts from rest on a curve of radius 400 m and accelerates at the constant rate a_t. If the maximum total acceleration of the train must not exceed 1.5 m/s^2, determine
As shown below, a 20m long beam is fixed to a wall at point A, a linearly changing load from 10 kN/m (downward) at 10m to 0 kN/m at 20m, and a CW couple moment of 400kN·m located at 20m. Include all required FBD(s).
a rectangular clarifier with a length:width ratio of 3:1 receives a flow of 850m3/day. the clarifiers depth is 4.0m and the detention time of the water inthe clarifier is 2.4 hrs, what are the surface overflow rate and the horizontal flow through ..
The BOD5 of the influent wastewater is 150 mg/L and the first-order reaction rate for the degradation of BOD5 is 0.6/hr at 20°C. If the required effluent BOD5 is 20mg/L
A newspaper reports that in the last 5 years, prices have increased a total of 50%. this is equivalent to what annual inflation rate, and is it compounded annually
The beam is supported by a pin at C and by a short link AB. Each pin has a diameter of 20 mm. Assume L = 1.2 m and θ = 20o. If the average shear stress in the pins at A, B, and C cannot exceed 115 MPa, determine the maximum distributed load wmax th..
Does the presence of Mg2+ significantly interfere with the determination of Ca 2+ by the EDTA titration?
Calculate the density in g/cm^3 of Ba and its atomic radius.
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