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1. The rectangular solid shown below has a resting height of 1.98000 cm, and widths of 1.15000 cm. When subjected to a total tensile force of 10000 N as shown, it is measured to have a length of 1.98127 cm and widths of 1.14964 cm. Assume the stress is uniform within the sample (the stress tensor is the same at every point), and therefore the only stress is normal in the direction of the force.
a. What's Young's modulus for this material?
b. What's Poisson's ratio for this material?
The hull of a boat has a volme of 150m and the total mass of the boat when empty is 8560kg. determine how much load this boat can carry without sinking in a lake.
Problem 1: Design of a simply supported reinforced concrete beam
What is the trignomerty leveling? Explain in detail.
The wastewater treatment plant for Pine City discharges 1 × 105 m3/day of treated waste to the Pine River. Immediately upstream of the treatment plant, the Pine River has an ultimate CBOD of 2 mg/L and a flow of 9 × 105 m3/day.
An egual-tangent sag vertical curve is designed with the PVC at station 109+00 and elevation 950 ft, the PVI at station 110+77 and elevation 947.34 ft, and the low point at station 110+50. Determine the design speed of the curve.
A series of small packages, each with a mass of 0.5 kg, are discharged from a conveyor belt. Knowing that the coefficient of static friction between each package and the conveyor belt is 0.4,
A rectangular channel leading from an upstream lake has a bottom width of 20 ft, bottom slope of 0.0002, a Manning roughness factor of 0.016, a discharge of 403 cfs, and normal depth of 6.24 ft.
Compute the corrected horizontal distance for the following conditions: Temperature: 25oC Tape length: 29.990m Slope angle: -3o42’ Slope measurement: 211.416m
The drinking water needs of an office are met by large water bottles. One end of a .25 in diameter plastic hose is inserted into the bottle placed on a high stand, while the other end with an on/off valve is maintained 2 ft below th bottom of the ..
You are a construction engineer working on a large concrete foundation project, involving the placement of over 500,000 c.y of concrete. The construction site is adjacent to a salt-water source (bay) & it is decided to set up a concrete batch plan..
The rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm 2 . if the temperature is increased by 8 0 C, find out the force P that will cause the bar at c to be stress-free.
To float a 160 pound man using helium balloons (assume 0.52 cubic feet per inflated balloon). How many balloons would it take? Assume density of air is 1.29 kg/cubic meter and the density of helium is 0.179 kg/cubic meter.
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