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A sheet of rubber is stretched out over a ring of radius 0.25 m. I pour liquid water at 20?C on it, as in Fig. P3.205, so that the rubber forms a half sphere (cup). Neglect the rubber mass and find the surface tension near the ring.
Determine the radial and transverse components of its velocity vB at point B, where the radial distance from the sun is 75(106) m
calculate the depth of water in a stormwater pond resulting from a two hour rainfall event. the rainfall occurs over a 24-acre watershed at an average rate of 1 inch/hour. the runoff coefficient is 0.5.
A completely mixed activated-sludge plan is being designed for a wastewater flow of 3.0 mgd. The BOD of 225 mg/l is 200 mg/l soluble. The effluent soluble BOD requirement is 7 mg/l (70 percent of the total 10 mg/l).
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)
The weight of a sample of coarse aggregate was measured under various conditions with the following results:
A Class I rural highway segment of 10 miles in level terrain has a base free-flow speed (BFFS) of 65 mph. The cross section has 12-ft lanes and 6-ft clear shoulders on both sides of the road.
A mild steel component in a form of a finite slab with a thickness of 2L=2.5 mm is to be hardened by packing it in a carbonaceous material in a furnace for a predetermined time
what is the engineering ethics case related to civil engineering with reference and discuss all the engineering ethics issues which covered the "Engineering etics concepte and cases?
Suppose you are a member of an EPA enforcement team investigating the possible dumping of arsenic into Arbor Lake. You take water samples from the middle of the lake and find that the concentration is 90.0 ppb.
Modify the picture and argument in Figure 8.4 to verify the algebraic relation between the squared energy difference and the inner product in (8.22)
Write a program that allows a user player to navigate a robot through a maze from the start position at the bottom left of the maze, to the centre of the maze.
a vertical curve is formed when a rural highway passes under a bridge joining a -8 grade to the horizontal grade
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