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1.Consider a wing traveling at a velocity V , with a span equal to 20 c, where c is the cord length. Given the lift coefficient of 2.0 at a zero angle of attack, find the strength of the bound vortex, and the velocity at which the trailing vortices move downward under their own induced velocity field.
2.An airplane with a weight of 10,000lb/f is flying at 600ft/s at36,000ft., where the airplane pressure is 3.3 p.s.i.a. and thetemperature is -67 degrees F. The lift coefficient is 0.2. The spanof the wing is 54 ft. Calculate the wing area and minimum induced drag.
bernard is a principal in a consulting engineering firm. he is also a principal owner in a construction contracting
a vertical curve is to connect two tangents that intersect at station 5000 and the elevation 500.00ft. the back tangent
A closed storage building is located on open flat terrain in central ohio. If the side wall of the building is 20ft high, determine the external wind pressure acting on the windward and leeward walls. Each wall is 60ft long.
The pH of clean rain is influenced by the partial pressure of CO2 in the atmosphere. In addition, acid rain can be formed when sulfur dioxide (SO2) is discharged into the atmosphere. i) The atmospheric CO2 concentration could rise to 400 ppmv by 20..
If the slotted arm OA rotates counterclockwise with a constant angular velocity of thetadot= 2.0 , determine the magnitude of the velocity of peg P when theta= 58. Determine the magnitude of the acceleration of peg P when theta= 58.
A frictionless, incompressible steady flow field is given by V=2xyi-y^2j in arbitrary units. Let the density be ρ_0=constant and neglect gravity. Find an expression for the pressure gradient in the xdirection.
The yield stress for A-36 is 250 MPa. Using factor of safety against yield of 1.25, determine an appropriately sized beam such that the radius of curvature is not less than 140m. E= 200 GPa, G= 77.2 GPa.
What annual investment is required at 8% per year compounded annually to accumulate to $100,000 at the end of 20 years?
A ferrari with 808 hp has a max. speed of 211 mph at 6,300 rpm. the Ferrari weighs 4,155 lb/ton and is operated over a smooth concrete road with a rolling resistance of 40 lb/ton and a slope of 3%.
What superelevation rate would you recommend for a roadway with a design speed of 100 km/hr and a radius of curvature of 500 m? Assume f = 0.11.
A car starts from rest and moves along straight line with anacceleration of a = (3s-1/3)m/s2, where s is in meters. Determine the car'svelocity and position when t = 6s
A passive dosimeter is to be designed for use in obtaining monthly average concentrations of atrazine in a stretch of river. Typical concentrations range from 10 to 50 g/L. Atrazine, a herbicide commonly found in runoff from agricultural lands.
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