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A vehicle manufacturer is considering an engine for a new sedan (CD = 0.3, Af = 21 ft2). The desired maximum speed is 100 mi/h at sea level (? = 0.002378 slugs/ft3). However, the designer selected an underpowered engine of light weight (the car with the engine weigh 2100 lb) that achieved a maximum speed of 90 mi/h. Determine the required engine power and the final weight of the car if it is to achieve 100 mi/h speed, assuming that 2 lb of additional engine weight is added for each horsepower of additional engine power..
What amount of depreciation will you claim for each calenderyear during the period 1972-1975?
A magnetic separator processes 500 kg/hr of finely ground magnetite ore (Fe3O4). The ore containes 35% magnetite and an analysis of the concentrate and tailings shows that they contain 59.5% Fe and 3.8% Fe
Helium gas is compressed isentropically from 1 bar and 25 C to a pressure of 10 bar. The temperature of Helium after the compression is A) 25 C B) 63 C C) 250 C D) 384 C E) 476 C
Transportation need to evaluate the time spent in traveling from city A to city B. The distance between the two cities is a variable because the macro developed is to be used for other cities.
Polychloroprene is an amorphous polymer used in o-rings due to its excellent chemical resistance and has recently been used as an iPod holder. It is known by the trade name neoprene.
What roles should technical experts like water engineers play in public policy decision-making issues, such as water demand management, water reuse and associate water quality issues
Determine the normal capacity of the highway, the capacity of the highway upstream of the work zone, and the capacity within or in the vicinity of the work zone.
The continuity equation is just the water balance for the slope or any small portion of the slope and can be given as: p - fp = RO where i = rainfall rate, fp = infiltration capacity, and RO = runoff rate, all expressed as a depth per time
Weather records for a certain region indicate that there is a tendency for two hot summers to occur in a row. From the statistics for the region, the following information has been es tahlished
The plate is submerged in a liquid is a vertical position with the parallel sides horizontal and the shorter parallel side at the top and exactly in the surface of the liquid. The static moment of the plate with respect to the surface of the liqui..
Cork is used for sealing sparkling wine bottles. Aside from friction, why not use rubberbto seal wine bottles. (Hint: think about the force exerted by the pressure inside and how does that deform each material) Be sure to use poissons ratio in the..
A gate valve is located at the end of the pipe. If the valve is closed suddenly, determine the maximum water hammer pressure that will develop in the pipeline. The water level in the reservoir is 98.4 ft above the outlet.
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