Engineering, 07.04.2020 03:11, Sadude69
Blue Lake is 3500 m long and 2800 m wide. The average depth is 20 m. The lake is fed by a stream having an average flow rate of 6.9 m^3/s. The stream flows through agricultural land, and the average concentration of the herbicide Kill-all in the stream is 33.1 μg/L. Kill-all degrades biologically with a rate constant of 0.18/ day.
Assuming that the lake is at steady-state conditions and completely mixed, what would be the Kill-all concentration in the lake under these conditions?
Answers: 2
Engineering, 04.07.2019 19:20, praveen35301
Amass-spring-viscous damper system of mass 3 kg has a frequency of 100 rad/s and is critically damped. its initial conditions are x(0)-3 mm and (0)-2.3 m/s. does the system overshoot its equilibrium position? prove your answer
Answers: 1
Engineering, 06.07.2019 03:10, iiisavageoreo
Two slings are used to lift a girder of length l and uniform weight per unit length. what is the best position for the slings if the bending moment due to the weight of the girder is to be kept to a minimum?
Answers: 2
Blue Lake is 3500 m long and 2800 m wide. The average depth is 20 m. The lake is fed by a stream hav...
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