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The hydraulic conductivity of a coarse sand was measured in the laboratory permeameter and found to be 1.03x10^-2 cm/s at 25 degrees C. What is the intrinsic permeability
how many tons of coarse aggregate will be required to fill a trench 5 ft deep, 3 feet wide and 300 feet long. the coarse aggregate unit weight equals 93.6 lb per cu ft.
The specific yield of an unconfined aquifer is Sy = 0.15. How much, on average, would the water table need to be lowered (in m) in an area of 2.5 km^2 to release 6.5 x 10^5 m^3 of water from storage
One cubic metre of nitrogen at 40 degrees Celsius and 340KPa is compressed isothermally to .2(m^3). What is the pressure when the nitrogen is reduced to this volume. What is the modulus of elasticit
When the engine of the plane is running, the vertical reaction that the ground exerts on the wheel at A is measured as 616lb . When the engine is turned off, however, the vertical reactions at A and
x=1.5t^4-30t^2+5t+10 where x and t are exprerssed in meters and seconds, respectively. Determine the psition, the velocity and the acceleration of the particle when t=4 seconds
Rhodium has an atomic radius of 0.1345nm and a density of 12.41g/cm^3. determine whether it has an FCC or BCC crystal structure
If the component of velocity along the axis is Vx=6t with t in seconds. determine the particle's distance from the oriigin which is at t=3s. when t=0, x=0, and y=0. also determine the magnitude of a
Collars A and B are connected by a 25 in long wire and can slide freely on frictionless rods. If a 60 lb force Q is applied to B. determine tension in wire when (black) x = 9 in and b) corresponding
If the average length of a vehicle is 15 ft and the average space between consecutive vehicles waiting to be served is 3 ft, what is the minimum length for the off-ramp to provide storage for all ex
The moto draws in the cable at D with a constant acceleration of aD=8 m/s^2. If vD=0 when t=0, determine: a) the time needed for block A to rise 3 m b)the relative velocity of block A with respect t
An expressway off-ramp consisting of a single lane leads directly to a tollbooth. The rate of arrival of vehicles at the expressway can be considered to be Poisson with a mean of 50 veh/h.
A rigid-walled cubical container is completely filled with water at 40F and sealed. The water is then heated to 100F. Determine the pressure that develops in the container when the water reaches thi
a 200ft tape is hung in catenary. It is supported at the 80ft mark the tension is 20lbf and the weight of the tape is 3 lbf 5 0z. The measured distance is 187.01 what it the distance after adjusting
The average unit weight of this soil is 118 lb/ft^3, and the average moisture content is 9.6%. It also has a maximum dry unit weight of 122 lb/ft^3 and an optimum moisture content of 11.1%
A 245 m ship has a displacement of 3x10^8N,and the area defined by the waterline is 3550m^2. will the ship take more or less draft when steaming from salt water to fresh water How much will it settl
fator dumps 5m^3/s of nonconservative waste with concentration 100mg/l into the lake. the pollutant has a reation rate coefficient K of 0,23/day assuming the pollutant is well mixed in the lake, fin
The coordinates for Point A, Point B and Point C are 5859.28N, 9331.56E and 8501.95N, 7911.60E and 10,500.00N, 8000.00E respectively. An angle right of 220°31'00" is turned when the backsight is
Find the magnitude and depth of the point of application of the force on the circular gate shown (circular gate at an angle of 60 deg.) if h(distance from top of gate to top of water)=5ft. and D(len
plane gate of uniform thickness holds back a depth of water. Find the minimum weight need to keep the gate closed. theta=30degrees L = 3m w = 2m
A hemispherical bowl of radius r connected to a U-tube of constant radius r. Initially the the bowl is empty and the air/manometer liquid interface in both legs is at the level of the bottom of the
The length of the pipeline in the building is 60 m, the water temperature is 20.C, and the water pressure on the top floor must be at least 150 kPa. Will a booster pump be required for the building
why are the pressure for those p2/p1 different than whats given for question 3.2.3 in Fluid mechanices with engineering application 10ed
If the bag is released with the same upward velocity of 6m/s when t=0 and hits the ground when t-8 seconds, determine the speed of the bag as it hit the ground and altitude of the balloon at this in
Commercial aqueous nitric acid, HNO3, has a density of 1.42 g/mL and is 16 M. Calculate the weight percent of HNO3 in the solution.