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When the person stands in the center of the floor system shown, he causes a static deflection δst of the floor under his feet. If he walks (or runs quickly!) in the same area, how many steps per second would cause the floor to vibrate with the greatest vertical amplitude?
After watching the video about virtual reality and ethics write about the following:1-What are the issues here?2-Based upon what you now know, what do you Based upon what you now know, what do you be? Does it also have merit? think? Why?
Cooling at constant pressure followed by heating at constant volume. Calculate Q, W, change in U, and change in H for each of these processes, and sketch the paths of all processes on a single PV diagram.
Two level sections of an east-west highway (G = 0) are to be connected. Currently, the two sections of highway are separated by a 4000-ft (horizontal distance), 2 % grade. The westernmost section of highway is the higher of the two and is at eleva..
at a railroad crossing, an overpass must be built centered over the tracks at a height of 24ft and be 200ft long. the existing highway has a design speed of 50mi/hr.
Consider a steel (iron) with 0.2 wt% C. Describe the changes in phases and its structure as it is heated under equilibrium conditions to 850 (deg C).
A settling tank in a water treatment plant has an inflow of 2m3/min and a solids concentration of 2100 mg/L. The effluentfrom this settling tank goes to sand filters. Theconcentration of sludge coming out of the bottom (the underflow) is18,000 mg/L, ..
Would you expect to find the Tapeats Sandstone on top of the Great Unconformity in all places in the Grand Canyon? Why, or why not?
Determine the effective size as well as the uniformity coefficient and coefficient of curvature for each soil. Determine also the percentages of gravel, sand, silt, and clay according to (a) ASTM, (b) AASHTO, (c)USCS, and (d) the British Standard.
Such that E(total) has units of Joules. Assume that kinetic energy = 1/2mv^2, potential energy = mgh, thermal energy = number, magical energy = ObamaCoef*volume*pressure.
Draw a P-V diagram for pure component and label appropriate points such as superheated region, isothermal line, etc.
The temperature when the tires were in flated was 25 F. Assuming no change in air mass or volume, what is the temperature (F) in the tire after driving yesterday is a pressure on 44 psig was measured
An area that varies in elevation from 463ft - 634ft is being mapped. What contour intervals will be drawn if a 50ft interval is used. Which lines are emphasized.
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