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A 68 kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while bicycling by eating 30 g chocolate candy bars, determine how many candy bars she needs to take with her. Assume that an average 68 kg adult consumes 639 Calories/hour while bicycling, and the energy content of a 20 g chocolate candy bar is 105 Calories
calculate the chord lenght between stations 75.00 and 75.00 on a circular curve with Da=5.5 degrees.
Assume: Suspended solids in effluent negligible Wastage is from aeration tank Yield coefficient = 0.4 Bacterial decay rate = 0.04 1/d Effluent BOD5 = 10mg/L F/M = 0.33 mg/mg*d BOD5 after primary settling = 150mg/L MLVSS = 1700mg/L MLSS = 1.4(MLVSS..
Establish a grass cover over a 10ha landfill. The root zone of the grass is 40cm deep. Increase the volumetric water content of root zone from 12% to 24%. How many cubic meters of water are needed?
Lake levels have been measured for the past 50 years at Cagles Mill Lake. The highest annual lake levels (in feet, mean sea level) on record are 887.5, 887.3, 886.5, 886.0, 885.9. The other 45 annual peaks are smaller.
The herbicide 2,4,D, is applied to a golf course at a rate of 1.2 kg/ha. The organic matter content of the soil is 1%, bulk density is 1.3 g/cm3, and water content is 0.3. a) What fraction of the herbicide is adsorbed, and what fraction is dissolve..
The slope of the channel So=.15% and the Manning n=.038. Estimate the depth y2=100m upstream of a section where the flow depth y1=2.2m Using a) the direct integration method and b) the standard step method.
Write a simple MATLAB program that will estimate the area of a circle using the lower and upper bounds (using triangles). The user will input the diameter of the circle and the desired accuracy (relative error ) and the program must run
Predict the aqueous phase equilibrium concentration of phenanthrene at 25*C if the values for this compound are Cs = 1.1 mg/L, P^v = 1.6 x 10^-7 atm, KH = 4.0 x 10^-5 atm*m^3/mol, and logKow = 4.52.
The vehicle was estimated to hit the light pole at 30 mph. The skid was 650 feet long. How fast was the car traveling before applying the brakes
A rod of steel is 20 m long at a temperature of 200C. find the free expansion of the rod when the temperature is raised to 65 0 C. Find the temperature stress produced
What is the smallest particle size (density 2.65 g/cm3) that will be removed in a horizontal grit chamber 10 m long and 1.0 m deep if the flow rate is 1000 m3/hr. Assume the temperature of the water is 25°C.
The uniform load has a mass of 450 and is lifted using a uniform 35- strongback beam and four ropes. Determine the Tension in the ropes Determine the force that must be applied at A.
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