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The force system consists of the force P = - 300i + 200j + 150k lb and the couple C. Determine the magnitude of C if the moment of this force system about the axis DE is 800 lb · ft.
Provide the minimum number of ports. The design conditions are: Winter design fl ow rate 4,300 m 3 /d Minimum river elevation held constant by lock and dam system 99.0 m 500-year fl ood elevation 113.3 m River bottom elevation 90.4 m
A power plant emits 95 g/s of SO2 from an effective stack height of 60 m. The wind speed is 3 m/s and the solar insolation is slight. A) Estimate the ground level SO2 (ug/m^3) at a point 4 km directly downwind of the power plant
A frictionless piston-cylinder contains 2kg of nitrogen at 100 kPa absolute and 300 deg K. The system is compressed polyprotically at a 1.4 exponent (n) until the nitrogen reaches a final temperature of 360 deg K.
An undisturbed soil sample has a total unit weight of 19.4 kN/m3, a dry unit weight of 16.9 kN/m3, and a specific gravity of soil solids (Gs) of 2.69. If the sample could be saturated without changing its porosity, calculate the amount of water (i..
Place the scientific mass on the inclined plane and string over the pulley. Using a force-measuring device, pull the string and determine the force needed to obtain static equilibrium.
The beam is positioned such that the observer on the train measures an angle of 19 between the crossbeam and the floor of the train. At what speed would the train have to be traveling in order for an observer standing outside the train
A 150 mm diameter by 300 mm long sample taken from the peat deposit was weighed and found to have a total mass of 5036 g and after oven-drying a dry mass of 387,4 g.
When is it advantageous to use an unequal-tangent vertical curve instead of an equal-tangent one?
Show that the ultimate load for a strip footing under long-term conditions using the two triangle failure surfaces
A six-lane divided highway is to be designed to replace an existing highway. The present AADT (both directions) of 6000 vehicles is expected to grow at 5% per year. Assume SN = 4 and pt = 2.5
The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is attached to hooks at G and H. If the tension in the cable is 1125 N (thus 1125 N in section BG and 1125 N in section BH)
Let P=109N. Q=231 N.a=3.2m. And b=2.9m. Type the unit. N. after typing your numerical answer. Determine the value of the force in member AC. Give a positive value if the member is in tension and a negative value if the member is in compression.
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