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A horizontal het of water at 5 degrees celsius strikes a block and is deflected upward 30 degrees. The mass flow rate of the water is 1.75 kg/s. The mass of the block is 1.30 kg. The jet has a cross sectional area of 10 cm^2. The coefficient of static friction is 0.150. The block is being pushed toward the left at 0.75 m/s. What is the net force of the water on the block?
If the pressure in pipe B is decreased 10 kPa and the pressure in pipe A remains unchanged, determine the new reading along the inclined leg of the mercury manometer.
Design a 2:1 rectangular duct and fan system to pull 40000 scfm of air carrying a medium-density dust through an FCD (Final Control Device) with a ?P of 6.0 in. H2O. Assume the duct system must extend 120-feet and has four 90° elbows.
The power loss, p , in a journal bearing depends on length, L; diameter, D; clearance, c; and rotational speed, w. You also have to worry about lubricant viscosity, density, and pressure. Obtain the dimensionless groups that charactrize this probl..
The basic barometer can be used to measure the height of abuilding. If the barometric readings at the top and at the bottomof a building are 28.7 and 29.7 in Hg, respectively, determine the height of the building in feet.
A bolt located 50 mm fm he center of an automobile wheel is tightened by applying the couple shown for 0.10 s. Assuming that the wheel is free to rotate and is initially at rest, determine the resulting angular velocity of the wheel.
A before-and after speed study was conducted to determine the effectiveness of a series of rumble strips installed approaching a toll plaza to reduce approach speeds to 40 mi/h.
A 0.4m^3 moist soil sample has the following: Moist mass = 711.2 kg, Dry mass 623.9 kg, Specific gravity of soil solids = 2.68
a plane truss is subjected to a loads 2P and P at joints B and C, respectively, as shown in figure part a.The truss bars are made of two L102 x 76 x 6.4 stell angles having an ultimate stress tension equal to 390 MPa (cross-sectional are of the tw..
Consider a mass of air at 18 ºC, which is located at 1,000 m. above mean sea level. A strong wind moves the air mass over a mountain range at 2,500 m. mean sea level and then the air descends to an elevation of 500 m on the leeward
a the soil profile on a site consisted of 4 m thick homogeneous clay deposit overlying an impermeable rock. the
A trapezoidal channel having bottom width of 8 m and side slopes of 1 : 1, carries a discharge of 80 m^3/s. Find the conjugate depth to an initial flow depth of 0.75 m before the jump. Also determine the energy loss in the hydraulic jump.
How does aggregate size influence the coefficient of permeability of concrete? List other factors that determine the permeability of concrete in a structure.
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