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Consider a constant cross section aircraft wing that is 38 feet long on each side of the aircraft. In flight, the wing carries the full load of the plane, 52,000 pounds. Assume this load is equally shared between the wing on the left and right side of the aircraft and is evenly distributed along the wing as a uniform load. If the aluminum wing has an I of 745 in^4 and aluminum has an E of 10.1 *10^6 psi, how much would the end of the wing deflect relative to the fuselage of the aircraft compared to the position it has when aircraft is on the ground.
The concrete post (Ec=3.6*10^6 psi and Ac= 5.5*10^-6/degrees F) is reinforced with six steel bars. each of 7/8-in diameter (Es=29*10^6 psi and As=6.5*10-6/ degrees F).
H = h - N Point B has a geoid correction of -100', and a NAVD88 elevation of 100'. What is the point B ellipse height
If clean groundwater flows through an aquifer contaminated with a dense non- aqueous phase liquid (DNAPL), calculate the concentration of DNAPL in the water as a function of time if the DNAPL is dissolving into the water at a rate of k1
An investor has invested $250,000 in a new rental property. Her estimated annual costas are $6,000 and annual revenues are $20,000. What rate of return per year will the investor make over a 30-year period ignoring the salvage value
The bar is prevented from rotating by the two pegsA and B fixed to the plate. Determine the acceleration a of the plate for which no force is exerted on the bar by either peg A or B.
find teh minimum speed at which the train could pass over the tank and lift water up to teh full 4 m height. (hint: consider the locomotive to be stationary and neglecting all losses)
Suppose that under severe operation conditions, the lifetime, in months, of a transisitor is exponentially distributed with parameter d = 0.2. a. Find the probability that such a transistor lasts longer than 8 months.
A 12 foot W14 X 22 column with pinned ends is axially loaded. The max load it can carry is 34 ksi. Determine (a) Euler buckling stress, (b) Euler buckling load. (A = 6.49 in^2) (ry = 1.04 in) (Iy = 7.00 in^4)
Engine Oil at 60 degrees C flows over a 3m long and 2m wide plate whose temperature is maintained at 20 degrees C with a velocity of 2 m/s. Determine the rate of heat transfer from the entire plate.
A 5000 lb truck is being used to lift a 1000 lb boulder B that is on a 200lb pallet A. Knowing the acceleration of the truck is 1ft/s^2, determine a) the horizontal force between the tires and the ground, b) the force between the boulder and the p..
They each completely penetrate a homogeneous, confined aquifer, and pump at exactly the same rate, 5m^3/day. Prior to pumping, the piezometric head was 30m, the same as the thickness of the aquifer.
The pivot of each 120 kg seat on a Ferris wheel travels in a circle with a 10 m radius, and the Ferris wheelrotates witha rotational speed of 0.1 rad/sec. What is the interaction force between the ferris wheel framework and the seat H when angle Q..
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