2 0 16 8 Solve 5X + 2A = B for X when A = -5 and B= -12 1 %3D -2 14 28 28 2.
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- 5.2 Evaluate the Prandtl number from the following data: , .Based in the table 1. (need to answer question 4,5,6)1) Develop a best-fit equation for the relationship between stress and strain. Employ Naïve–Gauss elimination method whenever necessary.S=___28.65___+___294.43___e + ___235.22____e2 2) Determine the coefficient of determination for the equation. R2 =___0.636____ 3) Calculate the stress value to the most accurate value at strain value 0.53.s = ___250.76____Pa4) The yield point is the point on a stress–strain curve that indicates the limit of elastic behaviour and the beginning of plastic behavior. In this case, the yield point occurs at a stress value of 80. Determine the corresponding strain value at the yield point. In any relevant method, use a stopping criterion of 0.05% e =_______ 5) The ultimate strength is the maximum point on the stress–strain curve. This corresponds to the maximum stress that can be sustained by a structure in tension. Compute the ultimate strength point of the polymeric material (strain value that gives…Can tutor explained the questions from d,e,f more clear on the step and if possible can it do by using the formula I had learnt so far which is s = Rθ v = Rω at = Rα T=2pi x square root(L/g) fn= 1/2pi x square root (k/m)
- please show step-by-step calculations. answer choices are 0.34, 0.38, 0.42, 0.54, 0.85, 2.20, 2.58, 2.67, 3.11, 3.15, 1484, 1803, 2087, 2101, 2126Civil engineers often use the straight-line equation, = b 0 + b 1x, to model the relationship between the shear strength y of masonry joints and precompression stress, x. To test this theory, a series of stress tests were performed on solid bricks arranged in triplets and joined with mortar. The precompression stress was varied for each triplet and the ultimate shear load just before failure (called the shear strength) was recorded. The stress results for n = 7 resulted in a Coefficient of Determination of 0.8436. Given that r 2= 0.8436, give a practical interpretation of r 2, the coefficient of determination for the least squares model. a. We expect to predict the shear strength of a triplet test to within about 0.8436 tons of its true value. b. About 84.36% of the total variation in the sample of y-values can be explained by (or attributed to) the linear relationship between shear strength and precompression stress. c. In repeated sampling, approximately 84.36% of…ᴛᴡᴏ ᴍᴀᴛᴇʀɪᴀʟꜱ ᴡᴇʀᴇ ᴛᴇꜱᴛᴇᴅ ɪɴ ᴛʜᴇ ʟᴀʙᴏʀᴀᴛᴏʀʏ ᴡɪᴛʜ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴅᴀᴛᴀ ᴜꜱɪɴɢ ᴛʜᴇ ᴜɴɪᴠᴇʀꜱᴀʟ ᴛᴇꜱᴛɪɴɢ ᴍᴀᴄʜɪɴᴇ: ᴍᴀᴛᴇʀɪᴀʟ ᴀ: ᴀ ʀᴏᴅ ᴍᴀᴅᴇ ᴏꜰ ᴀ ꜰᴇʀʀᴏᴜꜱ ᴍᴀᴛᴇʀɪᴀʟ ᴏꜰ 0.5 ɪɴ. ᴅɪᴀᴍᴇᴛᴇʀ ᴡᴀꜱ ᴛᴇꜱᴛᴇᴅ ꜰᴏʀ ᴛᴇɴꜱɪʟᴇ ꜱᴛʀᴇɴɢᴛʜ ᴡɪᴛʜ ᴛʜᴇ ɢᴀᴜɢᴇ ʟᴇɴɢᴛʜ ᴏꜰ 2.5 ɪɴ. ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴏʙꜱᴇʀᴠᴀᴛɪᴏɴꜱ ᴡᴇʀᴇ ʀᴇᴄᴏʀᴅᴇᴅ: ꜰɪɴᴀʟ ʟᴇɴɢᴛʜ = 3.15 ɪɴ; ꜰɪɴᴀʟ ᴅɪᴀᴍᴇᴛᴇʀ = 0.275 ɪɴ; ʏɪᴇʟᴅ ʟᴏᴀᴅ = 7650 ʟʙ. ᴀɴᴅ ᴜʟᴛɪᴍᴀᴛᴇ ʟᴏᴀᴅ = 10375 ʟʙ. ꜱᴛʀᴇꜱꜱ ᴡᴀꜱ ᴏʙꜱᴇʀᴠᴇᴅ ᴛᴏ ʙᴇ ɪɴ ᴀ ꜱᴛʀᴀɪɢʜᴛ-ʟɪɴᴇ ʀᴇʟᴀᴛɪᴏɴꜱʜɪᴘ ᴡɪᴛʜ ᴛʜᴇ ᴇʟᴏɴɢᴀᴛɪᴏɴ ᴜᴘ ᴛᴏ ᴀ ʟᴏᴀᴅ ᴏꜰ ᴀʙᴏᴜᴛ 7000 ʟʙ, ᴀɴᴅ ᴘᴇʀᴍᴀɴᴇɴᴛ ᴅᴇꜰᴏʀᴍᴀᴛɪᴏɴ ꜱᴛᴀʀᴛᴇᴅ ᴛᴏ ᴏᴄᴄᴜʀ ᴀᴛ ᴀʙᴏᴜᴛ 7500 ʟʙ. ᴍᴀᴛᴇʀɪᴀʟ ʙ: ᴀɴᴏᴛʜᴇʀ ʀᴏᴅ ᴏꜰ ꜰᴇʀʀᴏᴜꜱ ᴍᴀᴛᴇʀɪᴀʟ ᴏꜰ ᴇQᴜᴀʟ ᴅɪᴀᴍᴇᴛᴇʀ ᴀɴᴅ ʟᴇɴɢᴛʜ ᴀꜱ ᴛʜᴀᴛ ᴏꜰ ᴍᴀᴛᴇʀɪᴀʟ ᴀ. ᴀᴛ ʙʀᴇᴀᴋᴀɢᴇ, ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴡᴇʀᴇ ʀᴇᴄᴏʀᴅᴇᴅ: ꜰɪɴᴀʟ ʟᴇɴɢᴛʜ = 2.6 ɪɴ; ꜰɪɴᴀʟ ᴅɪᴀᴍᴇᴛᴇʀ = 0.495 ɪɴ; ʏɪᴇʟᴅ ʟᴏᴀᴅ = ᴜɴᴅᴇꜰɪɴᴇᴅ ᴀɴᴅ ᴜʟᴛɪᴍᴀᴛᴇ ʟᴏᴀᴅ = 7940 ʟʙ. ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟɪᴛʏ ᴏꜰ ʟᴏᴀᴅ ᴀɴᴅ ᴅᴇꜰᴏʀᴍᴀᴛɪᴏɴ ᴇɴᴅᴇᴅ ᴀᴛ ᴀʙᴏᴜᴛ 6500 ᴀɴᴅ ᴘᴇʀᴍᴀɴᴇɴᴛ ᴅᴇꜰᴏʀᴍᴀᴛɪᴏɴ ᴏᴄᴄᴜʀʀᴇᴅ ᴀᴛ ᴀᴘᴘʀᴏxɪᴍᴀᴛᴇʟʏ 7250 ʟʙ. ꜰᴏʀ ᴇᴀᴄʜ ᴍᴀᴛᴇʀɪᴀʟ, ᴄᴀʟᴄᴜʟᴀᴛᴇ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ: ᴀ) ʏɪᴇʟᴅ ꜱᴛʀᴇꜱꜱ, ʙ) ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ʟɪᴍɪᴛ, ᴄ)…
- Each main bearing cap in an engine contains four bolts. The bolts are selected at random,without replacement, from a parts bin that contains 30 bolts from one supplier and 70 boltsfrom another.(a) What is the probability that a main bearing cap contains all bolts from the samesupplier?a)Compute a % error between the theory and the slope. The theoretical value is 20.45 m/s^2. the slope is 18.5. b)Is the % error positive or negative? What does that tell you? C)Does the theoretical value 20.45 m/s^2 fall within the range? What can you say if it does not.Which procedure provides a method that may be used to apply Cstigliano's second theorem?
- A long steel rod is placed horizontally between two supports, one at each end. The rod bends a little in the center. Which property of this rod can be used to estimate how much the rod should bend at the center? 1. Its Shear Modulus 2. Its Young's Modulus 3. All of these Moduli can be used to compute how much it bends. 4. Its Bulk Modulus.A sheet metal cutting machine cuts the sheet metal via shear force, V as shown in Fig. 1. The crosssection of sheet metal is rectangular with width, b = 3m and thickness, d = 5mm. The sheet metal ishaving yield strength σy = 220 MPa; Young’s modules, E = 200 GPa and Poisson’s ratio, ν = 0.3.Conduct the following analyses at the state of stress when maximum stress reaches σy and beforeshearing commences. a. At the MOST CRITICAL POINT of the sheet metal, calculate the stress state and sketch thecorresponding stress element b. If SAFETY FACTOR = 2 is considered, what is the MINIMUM shear force, V required tocut the sheet metal according to following criterions? i. ii. Tresca criterion?von Mises criterion? c. Sketch the YIELD LOCI for both cases above. d. As a sheet-metal engineer, which failure criterion in (b) will you use to determine the cuttingshear force? Explain the reason for your answer.A sheet metal cutting machine cuts the sheet metal via shear force, V as shown in Fig. 1. The crosssection of sheet metal is rectangular with width, b = 3m and thickness, d = 5mm. The sheet metal ishaving yield strength σy = 220 MPa; Young’s modules, E = 200 GPa and Poisson’s ratio, ν = 0.3.Conduct the following analyses at the state of stress when maximum stress reaches σy and beforeshearing commences. (Need answer Question c) & d) c. Sketch the YIELD LOCI for both cases above. d. As a sheet-metal engineer, which failure criterion in (b) will you use to determine the cuttingshear force? Explain the reason for your answer.