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1.On a large lake without waves, how far from shore is a sailboat when the top of its 8m mast disappears from view of a person whos eye height is 1.5 m above the waters edge?
2.The square gate shown is eccentrically pivoted so that it automatically opens at a certain value of h. What is that value in terms of l?
3.A wide flange steel beam shown in figure supports a permanent concrete masonry wall, floor slab; architectural finishes mechanical and electrical systems. Determine the dead uniform load in kips per linear foot acting on the beam.
4.How was this answered reached? what equation was used? equation of a line? could you please explain how the answer was reached and a detailed explanation of the math behind it.
If the column is subjected to an axial compressive force of 800 kN, determine the required diameter of each reinforcing steel bar so that one-third of the load is carried by the steel and two-thirds by the concrete. Assume Esteel= 200 GPa and Econ..
A hemispherical bowl of radius r connected to a U-tube of constant radius r. Initially the the bowl is empty and the air/manometer liquid interface in both legs is at the level of the bottom of the bowl.
Fresh water enters the process in 3 streams – approx. 0.5 ML/d enters with chemicals at the dry end of the machine, approx. 1 ML/d enters at the wet end of the machine and the boiler consumes approx. 0.2 ML/d.
street nam sizes on the signs at a certain location can be discerned by a person with 20/40 vision from a distance of 300 ft. how much larger should the street names be in order to be legible to a person with 20/50 vision from a distnace of 450 ..
In the Civil War there were numerous incidents in which the bullet fired from a Union soldier's rifle struck and fused with the bullet from a Confederate's rifle. Assume the impact scenario.
A 600 ft vertical crest curve crosses a 4 ft diameter pipe at rightangles at station 110+85. The PVI of the vertical curve is station110+00 and elevation 1098.4 ft with an incoming tangent grade of1.2% and an outgoing tangent grade of -1.8%.
Plot the moment envelope curves(positive and negative). (NOTE: You only need to consider maximum positive and negative bending moments even though for a true envelope curve you would have to consider all points between the supports.)
A total of 500 mm of rain fell on a 75 ha watershed in a 10 hour period. Compute the average rainfall intensity and the total volume of rain that fell on the watershed.
A stainless steel tube with an outside diameter of 65 mm and a wall thickness of 5 mm is used as a compression member. If the axial normal stress in the member must be limited to 180 MPa, determine the maximum load P that the member can support.
The house has a 1 m high dirt-floored crawl space. The emission rate of radon into the crawl space is reported to be 0.6 pCi/m2s. An exhaust system was added to provide 1 air exchange per hour (ACH) in the crawl space. The outdoor concentration of..
A municipal water plant has four filters that are each 20 ft long by 15 ft wide by 5 ft deep. The demand for water requires that they only operate, on average, three filters per day at a loading of 3 gallons per min / ft^2.
Friction of the walker's shoes and rope are sufficient to cause the rope to have more tension on one side then the other. Neglecting the weight and any elastic deformations of the 20.1-m long rope, create a table using 1.0m increment for the range
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