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In order to move a wrecked truck, two cables are attached to the truck at A and pulled by winches B and C as shown. Determine the components and magnitudes of the vectors AB and AC, measuring them from the truck toward each winch, and the resultant of the forces exerted on the truck by the two cables, knowing that the tension is 2000 lb in cable AB and 1500 lb in cable AC.
what would be better a truss with all 60 angles or a truss with a 30 60 90 angle for a bridge design what would be the best design
you purchased an old machine at the beginning of this year.maintanance on this old machine will be 100$ at the end of this year but is expected to increase by $25 each year after. what is the present worth of five years of the cost of maintanance
a certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. a leaking metal can
How long will it take for the water to flow out of the 3 mdiameter tank with an initial height of 2.75 m. Note that theorifice has a diameter of 3cm
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
Find the area of steel reinforcement required for a concrete T-beam for the following data; f'c = 3 ksi, fy=50 ksi,d=28 in, t= 6 in., bw= 16 in., bf= 60 in., and the section sustains a factored bending moment of Mu=360 kip ft
The thickness of each layer is determined by the "last" ID number. Four student numbers are used as the example - Circular and non-circular slip surfaces should be considered
A square footing 2 meters by 2 meters is to be constructed 1.22 meters below the ground surface. The groundwater table is located 1.82 meters below the ground surface.
You are asked to design a pump station to conveywaste water at a flow rate of 250 cubic meters per hour to anequalization tank. A velocity of at least 3ft/s must be maintained in the pipe to prevent deposition and provide scouring of any previously d..
The C-clamp weighs 14 oz at sea level. [16 oz (ounces) = 1lb.] The acceleration due to gravity at sea level is g = 32.2 ft/s2. a) What is the mass of the C-clamp in slugs b) What is the weight of the C-clamp at sea level in Newtons
A simple way to model air pollution over a city is with a box model that assumes complete mixing and limited capability for the pollution to disperse horizontally or vertically except in the direction of the prevailing winds
it is required to dewater a construction site 80 m by 80 m. the bottom of the construction will be 1.5 m below the
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