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a truss is loaded by the forces = 506 and = 199 and has the dimension = 10.0 . Determine , the magnitude of the force in member BC, using the method of sections. Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption.
As a project manager on site where work for 3 km long tunnel has been undertaken the site is remote and takes about 2 days to travel to nearest town supervisors technicians and skiled workers in dangerous work.
A small chunk of the original sample had a wet weight of 140.9 grams and weighed 85.2 grams after drying. Compute the water content, using the correct number of significant figures.
a wheel tractor scraper weighing 100 tons is being operated on a haul road which is now packed. this tractor is traveling fully loaded up a 6% slope to the dump site which is 0.5 miles away. the return trip is level and is also 0.5 miles away.
The "supersoaker" water gun can shoot more than 30 ft in the horizontal direction. Estimate the minimum pressure, , needed in the chamber in order to accomplish this. List all assumptions and show all calculations.
If I raise a 1000 lbf weight 100 feet above sea level on earth in 10 seconds how much power will be required
A low pass filter has a cut-off frequency of 5 kHz and a high pass filter has a cut-off frequency of 8 kHz. These two circuits are connected back to back in cascade to form an input-output system
In each experimental run, the concen tration of free available chlorine was varied and the time required to kill 99% of the organisms was determined. The results showed that a CT value of 200 min mg/L was sufficient to achieve a 2-log removal.
A concrete mix witha 3-inch slump, w/c rtion of .5, ans sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. compute the required weight of coarse aggregate per cubic yard.
Measurements indicate that to cause this flow the force acting on the contents of the control volume is 40i lb. Determine the net rate of flow of linear momentum through the control surface.
The brush is immersed in the first volume and agitated until equilibrium is established, removed and the exercise is repeated with the second volume. Assume that the solvent remaining in the brush after it is removed from the first batch is insign..
A soil has a total density of 1.80 Mg/m3. When fully dry, the soil has a density of 1.59 Mg/m3. The specific gravity of the solids is 2.57. Find the following soil parameters: a) Dry unit weight of the sample
The flow rate of the treatment plant is 2,000 m3/d. a. Calculate the mass of sodium bicarbonate (NaHCO3) that would be required per day to replace the alkalinity consumed.
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