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The 4-lb collar is released from rest against the light elastic spring, which has a stiffness of 10 lb/in. and has been compressed a distance of 6 in. Determine the acceleration α of the collar as a function of the vertical displacement x of the collar measured in feet from the point of release. Find the velocity v of the collar when x = 0.5 ft. Friction is negligible.
As the weather forecasters frequently state, the atmospheric pressure drops during stormy weather and it rises during clear and sunny days.
The pollutant has a reaction rate coeeficient k of 0.25/day. Assuming is pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake.
What is the corresponding horizontal distance between the points - The slop distance 156.777 from one poin to another at rate of+1.5%
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
a gate having a cross section closes an opening 5 ft wide and 4 ft high in a water reservoir. its center of gravity is one foot to the left of AC and 2 ft above BC. Determine horizontal reaction developed on the gate at C.
a) Density plot, locating γd(max) and ω opt on the plot b) Zero-air voids curve for the soil on the same plotc) Curve representing S = 70%
A POTW facility that operates an anaerobic digestion process generates 2200 tones of waste water sludge per year. The solids content of the raw sludge is 4% by weight.
A building is located 19 ft from the centerline of the inside lane of a curved section of highway whose radius is 400 ft. The road is level and e = 10. Determine the posted speed limit (to the nearest 5 mph) considering the following conditions:
The coefficient of friction between the ball and the floor is 0.20.
The solid compound shaft, made of three di¤erent materials, carries the two torques shown. (a) Calculate the maximum shear stress in each material. (b) Find the angle of rotation of the free end of the shaft.
On a 20 ft cantilever beam, Load W1=200 or W2=500 or both may be applied at the midpoint B or at the end of the beam C. The bending moment induced at th fixed support A, MA, will depend on the magnitude of the loads at B and C.
Determine the internal energy change Δu of hydrogen, in kJ/kg
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