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An electron beam is accelerated through a potential difference of 12 kV and falls onto a copper target. Calculate the shortest-wavelength X-rays that can be generated.
An airplane is flying at 10.6 km altitude. in its nonpressured cargo bay is a container of mercury 325 mm deep. The container is vented to the local atmosphere.
Find the inertia tensor about the origin for a mass of uniform density=1,inside the part of the unit sphere where x>0,y>0,and find the principal moments of inertia and the principal axes.
The given groundwater shows the following chemical composition: Sodium =7 mgIL, Calcium = 70 mg/L, Magnesium = 35 mg/L, Potassium = 1 mgIL Bicarbonate = 200 mg/L, Sulfate = 30 mgIL, pH = 7.5 Atomic mass unit: sodium (23), calcium (40), magnesium (24...
Water is pumped up 20 feet from one large, open tank to another large, open tank as shown in the figure below. The pipe connecting the 2 tanks has a total length of 200 feet and a diameter of 6 inches.
The pressure cooker has a vent valve, so if P > 200 kPa, steam escapes to maintain a pressure of 200 kPa. How much entropy was generated in the throttling of the steam through the vent to 100 kPa when half of the original mass escaped?
A home washing machine removes grease and dirt from clothes in a first-order process in which 12% of the grease on the clothes is removed per minute. The washing machine holds 50.0L of water and has a wash cycle of 5.00 minutes before discharging the..
Determine the value of T required to limit the downward acceleration of the carriage to 1.2 m/s2 if the coefficient of friction between the cable and the pegs is 0.20. (Recall the relation between the tensions in a flexible cable which is slipping..
Calculate the size of an anaerobic digester required to treat the sludge from a primary clarifier designed to treat 38,000 m3/d of sewage. The quantity of dry volatile solids removed by the plant is 0.15 kg dry solids/m3 sewage. The sludge contains 9..
You are an engineer working for a utility company. Your project team is designing the power distribution (overhead wires) in a new subdivision. Shown in the following is the last pole along one of the streets. For this dead end configuration you have..
The company engineer decides that this is too good, that it is not necessary to be this efficient, and proposed that part of the flue gas be bypassed around the electrostatic precipitator so that the recovery of fly ash (particulates) from the flu..
For an SO2 emission rate of 22,000 kg/day and an exhaust gas flow rate of 5.0 million m^3/hour(after the scrubber) measured at 150 C and 1atm pressure, calculate the concentration of SO2 in the exhaust gases(ppm).
A steel column has a total unbraced height of 14 ft and carries an axial LRFD load of 950 kips. The column ends are fixed. Select an economical HSS 14x14 for this column.
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