Specification of Support Beam DimensionsYou are asked to design a support beam used to suspend a heavy load under tension. The beamhas a square cross section and is made of steel with a nominal yield strength of 325 MPa. Whatare the minimum dimensions of this beam if it must suspend a mass of 10,000 kg? Assume afactor of safety of 4.

To determine the minimum dimensions of the support beam, we need to consider the maximum stress the…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Two students perform the analysis of an alloy containing aluminum and zinc by the same method that we used in Experiment 2. They obtained the following data 0.007 g Mass of empty gelatin capsule Mass of gelatin capsule plus alloy sample 0.336 g 141.209 g Mass of empty beaker Mass of beaker plus displaced water 307.712 g 20 °C Temperature of water (and reaction mixture) Barometric pressure Density of water at 20°C 29.32 in. Hg 0.09982 g/mL 17.5 mm Hg Vapor pressure of water at 20°C What is n ? H₂ -2 a. 3.103 x 10 b. 6.336 x 10 c. 4.442 x 10 d. 3.030 x 10 e. 1.089 x 10 -1 -2
22. Based on your understanding of the relationships between the structures and physical properties of elements and compounds, which of the substances (Table 1) is most likely a nonmetallic element? Why? Explain your reasoning at least two (2) sentences.
A movie stunt performer is filming a scene where he swings across a river on a vine. The safety crew must use a vine with enough strength so that it doesn't break while swinging. The stunt performer's mass is 88.0 kg, the vine is 12.0 m long, and the speed of the stunt performer at the bottom of the swing has been determined to be 8.60 m/s. What is the minimum tension force (in N) the vine must be able to support without breaking? N Need Help? Submit Answer Read It
Calculate the energy cost of an electroplating process running at 0.71 V and 39.2 A for 3813 s considering a cost of PhP49.39 per kWh? Round your answer to 2 decimal places.
Referring to your best straight line graph, what are the units of the slope?What physical property of steel is the slope of this line related to? Use the graphed data and your best trendline equation to predict the diameters of the three unknown ball bearings.Show your calculations below and report your three results in the data table above with 2 decimal place accuracy. ] 7. How could we improve the accuracy of the largest unknown ball bearing's diameter prediction? can you help me answer all this questions please, ai really appreciated it.
Asbestos is a fibrous silicate mineral with remarkably hightensile strength. But it is no longer used because airborne as-bestos particles can cause lung cancer. Grunerite, a type of as-bestos, has a tensile strength of 3.5x10^2kg/mm²(thus, a strandof grunerite with a 1-mm2cross-sectional area can hold up to 3.5x10²kg). The tensile strengths of aluminum and Steel No.5137 are 2.5104lb/in²and 5.0104lb/in², respectively. Cal-culate the cross-sectional area (in mm²) of wires of aluminumand of Steel No. 5137 that have the same tensile strength as afiber of grunerite with a cross-sectional area of 1.0μ m²
A 6.3 X 10-3 m3 sample of helium gas stored at 298 K (25 °C) and 1.0 X 105 Pa pressure is transferred to a 2.0 X 10-3 m3 tank and maintained at a pressure of 2.8 X 105 Pa. What temperature is needed to maintain this pressure?

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