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An experimental fireworks shell is launched vertically from point A with an initial velocity of magnitude v0 = 100ft/sec In addition to the acceleration due to gravity, an internal thrusting mechanism causes a constant acceleration component of 2g in the direction shown for the first 2 seconds of flight, after which the thruster ceases to function. Determine the maximum height h achieved, the total flight time, the net horizontal displacement from point A, and plot the entire trajectory. Neglect any acceleration due to aerodynamics.
You have been hired to analyze process piping for a food processing facility. They are using OD controlled sanitary piping to run water for a cooling jacket unit. Your job is to determine the maximum piping span.
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.
The Jordan aquifer has been pumped for several decades, yet remains fully saturated. Explain where the water is coming from.
Only the inner cylinder is rotating. THe velocity distribution is given by V(r)=1000r-0.4/r [m/s]. If the diameters of the cylinders are 3 cm and 5 cm, respectively
A membrane biological treatment plant effluent must be disinfected to what level prior for use as unrestricted recycled water. For a flow of 4 mgd and peak flow of 6 mgd, how many lamps are required
A 200-MW power plant generates electricity with an efficiency of 40%, with 87% of this waste heat removed via cooling water. The average flow in the river to which this cooling water will be discharged is 45 m^3/s, and the plant wishes to discharge i..
If a torque M = 16 N*m is applied to the disk through its shaft with the disk initially at rest, calculate the horizontal x-components of force supported by the bearings at A and B.
How do you describe the compactness of a cross section? In which elements and/or under the effect of which loading conditions do we have to consider the compactness druring design? Explain it thoroughly
A spherical drop of water has r = .1mm . If the surface tension of water is 72 dynes/cm, calculate the pressure difference across the interface. Express the answer in dynes/cm^2. (Tip: theta = 0 for perfect fluid spheres)
A person may demonstrate observable effects on the central nervous system when exposed to carbon monoxide at a concentration of 50 ppm, may lose consciousness at a concentration of 250 ppm, and may die at a concentration of 750 ppm. A "typical" urban..
a flat steel plate of 10mm thickness varies in width from 150mm to 300mm over a length of 1.5m. Determine the elongation of the plate under a tensile load of 250KN
Oil (specific gravity 0.752) flows through a 6" horizontal pipe under a pressure of 60 psi. Assuming no losses, what is the flow in cfs if the pressure at a 3" diameter reduction is 20 psi?
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