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At an axial load of 23 kN, a 40-mm-wide by 10-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.17 mm. The bar is 240 mm long. At the 23-kN load, the stress in the polymer bar is less than its proportional limit.
Determine
(a) the modulus of elasticity.(b) Poisson's ratio.(c) the change in the bar thickness.
Materials To Construct An Industrial Building, A small building can be constructed of steel or wood framing. A decision is made to use steel for fire resistance.
the triangular plate ABC is supported by ball and socket joints at B and D and is held in the position shown by cables AE and CF. If the force exerted by cable AE at A is 1000N , determine the moment of the force about line joining points D and B.
Determine the net rate of flow of linear momentum through the control surface.
A lagoon with a volume of 1200 m^3 has been receiving a steady flow of a conservative waste at a rate of 100m^3/day for a long enough time to assume that steady-state conditions apply. The waste entering the lagoon has a concentration of 10mg/L.
The 3.5-Mg engine is suspended from a spreader beam having a negligible mass and is hoisted by a crane which exerts a force of 40 kN on the hoisting cable. Determine the distance the engine is hoisted in 2.4 s, starting from rest.
Determine the maximum allowable misclose for this engineering survey using the formula based on the munber of instriunent stations used in the work.
A 1kg ball is dropped from the top of a cliff and falls with a constant acceleration due to gravity. Assume that effects of air resistance can be ignored.
The height (in meters) of a projectile shot vertically upward from a point 2 m above ground level with an initial velocity of 24.5 m/s is h2+24.5t-4.9t^2 after t seconds. a) When does the projectile reach its maximum height? b) What is the maximum..
Assume you are observing traffic in a single lane of a highway at a specific location. you measure the average headway and average spacing of passing vehicles as 3 seconds and 150 ft, respectively. calculate the flow, average speed, and density of..
What is the average length of queue, the average time spent in the system, and the average waiting time in the queue?
A runs slope a distance of 156.777 m from one point to another point at a rate of +1.5%. What is the corresponding horizontal distance between the points?
You are a Project Manager on site where work for 3K.m. long Tunnel has been undertaken. The site is remote and takes about 2 days travel to nearest town. Supervisors, Technicians & Skilled Workers are engaged in dangerous / hazardous work.
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