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One form of which consists of three equal weights joined by equal length ropes. The gaucho holds on to one weight spinning the bolas overhead. When the bolas is cast the weights cause the configuration to change. A typical bolas consists of three one pound weights joined by three 2 feet 4 inch lengths of rope. Before casting the weights have a velocity of 60 RPM. What are the rotational velocity in RPM and linear velocities of the weights after throwing? If the radius of the weight is small compared to the radius of the motion, the mass moment of a weight is I = md2 where d is the distance from rotation center to weight.
The water enters at 1 atm at 10 C and the flow rate through the turbine is 40 m3/s. The water is discharged from the turbine 200 m below the intake at 1 atm and the temperature of the water at the discharge is 10.2 C.
A home builder must construct a sewage treatment plant and deposit sufficient money in a perpetual trust fund to pay the $5000 per year operating cost and to replace the treatment plant every 40 years.
A section view of a dam shown and water is stored at an elevation of 6 m above the base. the water flows through the dam in a concreate opening 2m high and 3 m wide. there are no losses or friction.
Because of the insulation between them, the sun heats up the wall panel 120 degrees F but the column to 80 degrees F. Determine the consequent compressive stress in the curtain wall.
Argon gas is heated in a constant pressure process from 20.0 to 500.°C. Assuming ideal gas behavior, determine: a. The ratio of the final to initial volumes. b. The change in specific internal energy. c. The change in specific enthalpy of the argon.
A fine-bubble aeration basin has a flow of 21.5 mgd, an influent BOD of 180 mg/l, 31 mg/l of mmonia, and effluent of 10 mg/l. During the winter, the wastewater temperature of 14.8 degrees C does not nitrify.
A cohesionless soil sample was subjected to a triaxial test. The sample failed when the minor principal stress (confining pressure) was 1200 lb/ft^2 and the deviator stress was 3000 lb/ft^2.
Compute the maximum acceptable tensile load Pu, on an angle L6x4x3/4 when connected to both legs. The 4 in. leg contains a single gage line of 7/8in. diameter bolts, and the 6in.
using darcy's law compute the quantity of flow, seepage velocity and contaminant loading of the river. ground water is flowing through unconfined uniform 3m thick sand aquifer and discharging to river.
A light bar AD is suspended from a cable BE and supports a 50-lb block at C. The ends A and D of the bar are in contact with frictionless vertical walls. Determine the tension in cable BE and the reactions at A and D
List the densities in solid, liquid and gaseous state. Also compare the densities for each of them and calculate the density it will have in any ideal gas state.
An intake conduit from a well field used to pump ground water is being designed for a town with a population of 23,000 people. Six years ago the population was 21,500 people. a) assuming deometric growth, calculate the population in 50 years
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