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A bug is crawling up the leg of a man on a train. The velocity of the bug relative to the man is 0.3 m/s k .
The mas is waling from one side of a carriage to the other with a vlocity relative to the train of 1.2 m/s j.
The train is travelling at 0.8 m/s i relative to a man on the side of the tracks. What is the speed of the bug as seen by the man at the side of the tracks? What is the speed of the train relative to (or as seen by) the bug?
A tensile load of 50 000 lb is applied to a metal bar with a 0.6x0.6 in cross section and a gage length of 2 in. Under this load the bar elastically deforms so that the gae length increases to 2.007 in
The pedestal supports a load P at its center. If the material has a mass density p, determine the radial dimension r as a function of z so that the average normal stress in the pedestal remains constant.
Using the following assumptions, determine the solids retention time, the cell wastage flow rate, and the return sludge flow ratefor the Jambalaya shrimp processing plant WWTP
At what depth will water flow in a 10 m wide rectangular channel, if n=0.01, S=0.0015 and Q=9m^3/s
A water sample has phenolphthalein alkalinity (PPA) of 30 mg/L as CaCO3 and total alkalinity (TA) of 84 mg/L as CaCO3. If OH alkalinity is 5.3 mg/L as CaCO3, Calculate the alkalinity due to HCO3- and CO3-2.
The discharge of the river at the basin outlet is measured at an avarage of 650 cfs. assuming that the charge in storage for the system is essentially zero, estimate the ET losses for the area in inches and centimeters for the year
A beam with a total length of 14m, has a 1000N load on the left end, 4m to the right (from the left end of the beam) there is a rolarr, 2m to the right of the rolar begins a 300 N/m load that goes for 4m, and the last 4m has a tapered load of 300 ..
A river 5 m deep flows over a sand deposit. The saturated unit weight of the sand is 18 kN/m^3 and the unit weight of water is 9.8 kN/m^3. At a depth of 5 m below the river bed:
An absorption column is to be designed to recover 99.5% of the NH3 from a feed stream, which is supplied at 72 F and an NH3 partial pressure of 10 mm Hg. The feed stream contains 2100 lbm/hr of air.
Wastewater is discharged into an aquifer. This wastewater contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/mL and the solubility is 50 ppm. 500 ft away from the plant effluent there is a permeable..
The 2kg block A and the 5kg block B are initially at rest on the inclined plane at 20 degrees. All surfaces in this system have a coefficient of static friction of 0.6 , and a coefficient of kinetic friction of 0.4.
Determine the young's modulus for a metal whose elasic limit isone half of its UTS. The material has a strain of 0.002 at theelastc limit and a gauge length of 50mm. The UTS of the metal is300 MPa.
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