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Here are 3 forces acting on the ring. using the non vector approach, determine the resultant force of only the 150 Ib and 100 Ib forces. Also calculate the angle between the resultant force and the positive x axis.
How do you calculate the angle between the resultant force and the positive x axis.
sin^-1= 36.59
Assume that the energy contained in coal is about 10,000 Btu/lbm. An electrical power plant burning coal has an output capacity of 1200 MW and the plant converts about 30% of the input energy to electricity.
Use the Muskingum method to route a flood through a reach a river. The base flow is 100 cfs, and the incoming flood flow increases 50 cfs every 2 hr over a 6 hr period and the subsides at the same rate.
A block with an inclination of 20 degrees has a weight of 60kg, a height of 1.8m and width 1m, static friction is 0.3, what is the force needed and the height (where the force in the box should be) to pish it upwards
A very long rectangular channel connects two reservoirs and has a longitudinal slope of 0.005. The channel has a width of 10 m and a Manning’s n of 0.030.
Two box culverts each is 0.61 m by 0.61 m and has n = 0.013, Ke = 0.05, Cd = 0.85, L = 30 m, So = 0.7%, and HW = 1.5 m. a. What is the design flow capacity for free outlet condition b. What is the design flow capacity for tailwater of TW = 1 m
For the eccentric shear loading of the accompanying figure, 7/8 inch diameter A325 bolts are used in two vertical lines in a bearing-type (A325-X) connection. The loading is 10 kips dead load and 30 kips live load.
The total flow then moves to a point W on the traction drive two metres off the ground, and travels through a nine millimetre diameter conduit. Ignoring all friction and minor losses, determine the pressures at points H and W.
A container ship carries 2000 units. It must be unloaded andre-loaded in a 48 hr turnaround. Two cranes are available. Find therate that the trucks line up, load and pass under each crane.
The results, listed in dollars, were as follows: New Process 51 52 55 53 54 53 Old Process 50 54 59 56 59 58 Can you conclude that the mean cost of the new method is less than that of the old method?
Three cylinders from the same mix were tested for strenght. Cylinders A and B were cast in 4x8 molds while cylinder C was cast in a 6x12 mold. The total loads were as follows; cylinder A= 65,200 lbs., cylinder B= 68,550 lbs., cylinder C= 151,190 l..
A reservoir cover is 12,000 acres and is 20 feet thick. The formation has initial porosity of 0.25. The pore volume compressibility of the reservoir rock is 3.0 x 10^(-6) psi^(-1) . Calculate the change in reservoir pore volume (in barrels) if the re..
Determine the length of roadway that is in full superelevation for a four-lane expressway with a 60 mph design speed. The BC of the curve is at station 15+00 and has a minimum allowable radius. The curve delta is 25 degrees and 30’.
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