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An unconfined aquifer has a hydraulic conductivity of 25 mm/sec. There are two observation wells 458 ft apart. Both wells penetrate the aquifer to the bottom. In one observation well water stands 28.8 ft above the bottom at a radius of 687 ft, and in the other it stands 22.5 ft above the bottom. What is the discharge per 100 foot wide strip of the aquifer in square ft per day?
Water flows down a spillway at the rate q = 15 m^3/s into a horizontal channel where v1 = 20 m/s. Determine the depth of flow in the channel y2 that will casue the hydraulic jump to occur in the channel. Determine the headloss hL in the jump.
A plunger applies pressure to the water. If, with zero force, the initial length of the water column is 25.00 in, what will it's length be if a force of 420lbs is applied to the plunger. Assume no leakage and no friction.
A driver with his passenger vehicle is driving at 35 mph, when the traffic signal in front of him changes to yellow. He is 100 feet from the intersection when he applies the brakes after a 1-second reaction time.
Northern Tundra Telephone (NIT) has received a contract to install emergency phones along a new 100-mile section of the Snow-Moose Turnpike. Fifty emergency phone systems will be installed about 2 miles apart.
Drivers must slow down from 65 miles per hour to 55 miles per hour to negotiate a severe curve on a rural highway. A warning sign for the curve is clearly visible for a distance of 110 feet.
A survey of similar facilities indicates that one parking space must be provided for every one employee and that 60% of all automobiles driven to work are compact automobiles, six percent of the spaces should be allocated for the handicapped.
If the length of the river connection between the two lakes is equal to 3km and the velocity in the river is equal to 0.4 m/s, determine the concentration of UBOD in the effluent from the second lake.
The vertical post is secured by three cables. The cables are pre-tensioned so that the resultant of the cable forces F, Q, and P is directed along the z-axis. If F =120lb, find P and Q.
The ¼" thick 6061?T6 aluminum bar is subjected to a tensile force of P = 5 kips. b = 4"; c = 1.5"; d = 2.5"; and the fillet radii are 1". a) Determine the maximum stress in the bar. b) What is the lateral strain in the 1.5" wide section
suppose we have a 100-volt battery connected with a 100-ohm resistance. The current is then 100/100=1 amp. how much power is produced. if we double the voltage, what will the current be and what will the power be.
The volume of the system is doubled from 1 m^3 to 2 m^3 while 200 kJ of heat is added to the system. If no work is done except for the boundary displacement work and the pressure remains constant at 101.3 kPa (1 atm) throughout the process,
At the end of year 1 the piece of equipment is worth $15,000 and at the end of year 2 $13,000, and at the end of the third and final year the salvage value is equal to $9,000.Applying the straight line depreciation, calculate the depreciation expe..
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