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1.Sled and rider with a total weight of 200 lb travel down smooth slope defined by equation y=x^2/20. At x=40 ft the sled's speed is 10 ft/s. At x=40 ft determine rate of increase of speed and the normal force which the slope exers on the sled. Neglect size of the sled and rider
2.A company can manufacture parts for a cost of $4.00 per unit plus $4,000 for tooling. A semiautomated system has been developed as an alternative. The costs for the proposed method are $40,000 for equipment and $1.00 per manufacturing cost per unit. What is the break-even number of units per year?
If the column is subjected to an axial compressive force of 800 kN, determine the required diameter of each reinforcing steel bar so that one-third of the load is carried by the steel and two-thirds by the concrete. Assume Esteel= 200 GPa and Econ..
Two converging tangents have azimuths of 300 deg and 270 deg respectively, while thAt of the common tangent is 320 deg. The distance from the point of intersection of the tangents to the PI of the second curve is 100m while the stationing of the PI o..
the pressure ratio across the compressor is 9 and the maximum temperature is 827c.the turbine and comprssor processes are adiabatic with turbine efficiency of 90% and a compressor efficiency of 85%.
a a pool of tetrachloroethylene pce has formed above a vertical fracture of circular cross section having an average
Determine the discharge for (a) commercial steel (b) cast iron (c) smooth concrete and the flow gain if the highest capacity pipe material is chosen over the lowest.
A thin film of oil (v=0.001 m^2/s) 2mmthick flows down to a surface inclined at 30 degrees to thehorizontal. What is the maximum and mean velocity of flow?
We have a batch reactor ( r = -k1) with volume of V1. The concentration entering the batch reactor is Co. The batch reactor is operated from t =0 to t = t1. After that the water exits the batch reactor and enters a PFR (r = -k2C) wi..
A person applied a mortgage of $300,000.A mortgage company claimed the interest rate for the 15-year loanis 6.5%. (a) What would be the monthly payment? (b) If the personaccepted the terms of the loan on Oct.
assuming that the contaminant travels mainly by advection, propose any operational changes to the given layout to prevent the river from being contaminated.
What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
You are a real estate salesperson working for Good Earth, Realtors, Inc. You receive 50 percent of all commissions received by the firm (net of MLS fees) for which you were either the listing agent or the selling agent.
you are a project manager on site where work for 3k.m. long tunnel has been undertaken. the site is remote and takes
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