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If the resultant force acting on the support is to be 1200 lb directed horizontally to the right, determine the force F in rope A and the corresponding angle
Assume that an egg can be hatched only in the week after it is laid. Otherwise it must be saved and sold for 10 cents. Assume that there are no eggs available for hatching in the first week.
1.An ungated spillway is to deliver 150,000 cfs with a crestelevation of 1000 ft. The upstream reservoir elevation is not toexceed the elevation of 1030 ft. The streambed is at elevation 800ft. Determine the length of the crest required.
How long will it take for 99 percent of the chemical to be destroyed? (c) How long will it take for 99.9 percent of the chemical to be destroyed?
Determine the tension T in the cable and the magnitude of the pin reaction at O
A pendulum consists of a slender rod, AB, of weight Wr= 8.60 lb and a wooden sphere of weight Ws= 21.7 lb .(Figure 1) The length of the rod is d = 7.70 ft and the radius of the sphere is R = 0.500 ft
Water flows into and out of a 5 liter tank at a rate of 1 L/min. Within the tank, the mineral apatite is dissolving at a rate of 3x10^-10 moles of Si per m^2 per sec. If the tank contains 10g of the apatite with a specific surface area of 2 m^2/g,
Describe mathematically and explain the Principle of Linear Impulse and Momentum. What is Conservation of Linear Momentum and how is it related. What is the difference between Linear Momentum and Angular Momentum.
the weigt w causes atension of 100 lb ic cable cd. if d=2ft, what is the moment about the z axis due to the force eserted by he cable cd at point c.
cell pressure kN/m2 100 200 300 ultimate deviator stress kN/m2 137 210 283 ultimate pore pressure kN/m2 28 86 147 determine the effective stress strength parameters
In 2003 at Holloman Air Force Base in New Mexico, test engineers set a world record by moving 192 lb payload at 6,453 miles per hour in a rocket sled. The rocket sled track, built in 1954, is 15.44 km in length.
An observer has determined that the time headways between successive vehicles on a section of highway are exponentially distributed and that 60% of the headways between vehicles are 15 seconds or greater.
Determine the forces in the members for the pinned jointed frame shown in Figure Question 1, using the method of virtual work. All members have the same EA.
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