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An airplane with a Clark Y airfoil cross-section weighs 3500 lbs. The chord length is 6ft and the wingspan is 36 ft.
Determine the: a) Minimum speed and power to take off, if the angle of attack is 12.4 degrees.
b) Power to cruise at 150 mph at an altitude of 15,000 ft.
c) % increase in power if the plane is cruising 150 mph at 10,000 ft.
d) Stall speed at landing
A car traveling over a hill at constant speed starts to lose contact with the ground at O. If the radius of curvature of the hill is 85 m, determine the speed of the car at O.
Determine the deflection of a simple uniformly loaded beam by the Ritz method,using first one term, then two terms, adn finally three terms in a sine series. Why does the coefficient of sin2piex/L vanish?
Due to a crash at a railroad crossing, an overpass is to be constructed on an existing level highway. the existing highway has a design speed of 50 mi/h.
Find the area of steel reinforcement required for a concrete T-beam for the following data; f'c = 3 ksi, fy=60 ksi,d=18 in, t= 4.5 in., bw= 10 in., bf= 36 in., 3/4" aggregate, and the section sustains a total factored bending moment 82 k-ft.
Suzanne is a recent chemical engineering graduate who has been offered a 5-year contract at a remote location. She has been offered two choices. The first is a fixed salary of $75,000 per year.
Design a logic circuit that, when enabled with an active-high signal named en, will detect four different ranges of values for a 5-bit input number.
a 15 kg mass attached to a cord that is wrapped around a pulley and released from rest. the pulley has mass of 5 kg but is frictionless. consider the cord as mass less, inelastic and frictionless.
Your boss has assigned you the job of designing a rapid-mix tank for the new water treatment plant for the town of Waffle. The design flow rate is 0.050 m^3/s. The average water temperature is 8 degrees celcius.
The sample is placed in a 103 F oven overnight and is weighted again the next day. If the weight after drying is 0.85 lb and the specific gravity of the soil granuals is 2.65, what is the porosity of the soil sample
A reservoir discharges into a long trapezoidal channel with a bottom width of 20 feet, 3 to 1 side slopes, a bottom slope 0.001 and a roughness coefficient of 0.025 the reservoir surface is 10 feet above the invert at the channel entrance
determine a composite scs runoff curve number for a 600acre basin that is totally within soil group C. the land use is 40% contoured row crops in poor hydrologic condition. 60% native pasture in fair hydrologic condition.
Find the location and magnitude of the resultant force using the numerical integration and the midpoint rule for the following loading of a plate bounded by x=0-2ft, y=0-2ft and z=0 ft. P(x)=16-x^2-2y^2 (lb/ft^2)
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