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A plate is pulled upward from a pool of liquid with velocity, V, entering a thin liquid film on the surface of the plate. The flow is assumed to be laminar and the film thickness, H, constant. Using a coordinate system located on the plate at the surface of the pool, complete the following:
a. Dram and sketch the system. Include coordinate system in your sketch.
b. In what direction is flow and shear stress?
c. What assumptions can you make regarding this system?
d. What are your boundary conditions for this system?
the student strikes the sign at a speed of 25 mi/h. if the student was traveling at 55 mi/h when the sign was first spotted, what was the students associated perception/ reaction time
Solid waste production in the United states was 4.3lbs/person-day. Calculate the potential methane production in one year for a land fill that serves a community of 50,000 people.
In Chlorine disinfection (3-log reduction in Giardia- Cysts), determine the water pH for a contact time of 90 minutes using a chlorine concentration of 2 mg/L at 20 degrees C
a pump is used to send water from one reservoir to another elevated reservoir. The pipe diameter is 0.120 m. The head-loss through the valve and pipe is given by equation hL =Bv12 2g
A solid wooden cube (.5*.5*.5 m^3) is floating in water and 0.2 of the cube extends above the water surface. Determine the specific weight of the wood.
If the systems will reduce insurance claims by $100,000 two years from now, how much should the company be willing to spend now, it is uses an interest rat of 12% per year
A steel bar serving as a vertical hanger to support heavy machinery in a factory is attached to a support by the bolted connection. The main part of the hanger has a rectangular cross section with width b1 = 1.5 in. and thickness t = 0.5 in.
question 1figure 1 shows a large crawler crane in operation in a construction sitefigure 1nbspnbsp crawler
Assuming that the number of days until the next dry day is geometrically distributed, what is the length of consecutive wet days that has a probability of occurence of no more than 0.05
A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6 kip loads. Knowing that E = 0.45 * 10^6 psi,
a highway reconstruction project is being undertaken to reduce crash rates. the reconstruction involves a major
A two-liter bottle is one-third full of water and two-thirds full of air. The air in the bottle has a gage pressure of 340 kPa. the bottle is turned upside-down and the cap is released so that the water is rapidly forced out of the bottle
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