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A uniform ladder with a mass of 15 kg is placed on a frictionless vertical wall. An 80 kg person climbs up the ladder. If the coefficient of friction between the floor and the base of the ladder is 0.15, how far did the person climb?
Additional cost at the end of year 1 = $50,000. Benefit at the end of year 1 = $0. Annual benefits at the end of Years 2-10 = $20,000. Interest Rate = 7%. Conventionally B/C ratio and wheter the project is economically stable.
A lab test for specific gravity, G, on two samples of lumber indicate that sample A has G= 0.4 and sample B has G= 0.9. Based on this information alone, which wood sample would you choose as a structural member for your construction project
An automobile company is planning to build a 1.8 million square foot factory in Auburn. Estimate the expected number of trip ends at the factory on an average weekday.
Draw a plan of a typical strip mine showing all operational features and equipment and why is the working slope of an open pit usually much flatter than the final slope?
The railway crossing gate consists of the 100 kg gate arm having a center of mass at Ga and the 250 kg counterweight having a center of mass at Gw.
When the gear rotates 18 revolutions, it achieves an angular velocity of omega= 40 rad/s , starting from rest. Determine its constant angular acceleration the time required.
For maximum undercooling, calculate the size of the critical radius and the number of atoms in the critical nucleus when solid copper forms by nucleation.
Transportation need to evaluate the time spent in traveling from city A to city B. The distance between the two cities is a variable because the macro developed is to be used for other cities.
The beam is simply supported and spans 25 feet. The beam must be designed for a superimposed uniformly distributed dead load of 1 kip/ft, and a concentrated live load of 12 kips that acts 10 feet from one of the supports.
Design a riveted end plated Connection between a beam ISHB-300 and the flange of the Column ISHB-200 to transfer a vertical factored shear of 125 kN and a factored hogging bending moment of 125kNm.Use Shop rivets of 20mm dia.
a 10.0 inch long 10-guage wire of yellow brass (E=105 GPa) is subjected to an axial tensile force of 400 lbs. Find the normal sress and deformation in the wire. A 10-guage wire has a diameter of 2.588 mm.
Calculate the area of a circular tract of land which has a radius of 30 meters using the mathematical formula, Trapezoidal Rule, and Simpson's Rule. Compare your results. Use an offset of 5 meters.
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