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The member OA of the industrial robot telescopes and pivots about the fixed axis at point O At the instant shown, 6m/s2Determine the magnitudes of the velocity and acceleration of joint A of the robot. Also, sketch the velocity and acceleration of A and determine the angles which these vectors make with the positive x-axis. The base of the robot does not revolve about a vertical axis.
The incremental cash flow between alternatives Z1 and Z2 (Z2 has the higher initial cost). Use an AW-based rate of return equation to determine the incremental rate of return and which alternative should be selected
Measure the distance PA, PB, PC etc. from p to various point with chain or tape and plot them to scale along the co responding rays. Join the points a, b, c, etc. to give outline of survey.
A polutry farm owns 100 laying hens. Each week a hen can either lay 12 eggs or hatch 4 eggs, but not both. At the end of the four-week period all eggs and chicks will be sold: an egg will bring 10 cents, and a chick will bring 60 cents.
Determine the vertical stress of 4m below the centre of shallow foundation 3 x 3m carrying a uniform pressure of 275 kN/m3. Plot the variation of vertical stress with depth (up to 10m) below the centre of the foundation
determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive axis. The other force is F=700N with a 15 degree angle to the x-axis.
Calculations with steam mixed with additional steam at a different pressure, A steam press at 650Kpa + dryness fraction of 0.9% flows along a pipe at a rate of 3.5Kg per second
Find the concrete cross-section and steel area required for a simply supported rectangular beam with a span of 20 ft that is to carry a computed dead load of 1.3 k/ft and a service live load of 2.25 k/ft. Material strengths are fc’ = 5000 psi and fy ..
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%.
Three loads P1 = 2.4 kN, P2 = 4.4 kN, and P3 = 6.4 kN are suspended as shown from the cable ABCDE. Knowing that the maximum tension in the cable is 26 kN, determine the distance dC.
The depth of water, H, behind a gravity dam is normally distributed with a mean of 100' and variance of 2,500 ft2. The total hydrostatic pressure against the dam is F=?H2/2, where ? is the unit weight of water (62.4 pcf).
A short Reinforced Concrete column is 300mm x 400mm. It is required to carry an ultimate load of 1500kN and an ultimate major axis bending moment of 300kNm. Calculate the area of reinforcement required.
The 3.0-ft diameter piper is 3,400 feet long with a steady flow rate of 10,000 gal/minozone (in mg/L) should be Injected at the head of the piper so what there will be an ozone concentration of 1.0mg/L
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