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Question 5 (1 mark) Attempt 1 In a solid body, the six components of the stress at a point P, are given by: σ,-90 M...
Perform transformation of stress for a point in a body, for which σxx = 90 MPa;...
Perform transformation of stress for a point in a body, for which σxx = 90 MPa; σyy = -10 MPa; τxy = 40 MPa. a. Find tensor components for a point P on a cutting plane Q with normal vector n = 1/sqrt(2)i - 1/sqrt(2)j b. Find the state of stress for an element rotated by θ = π/6 clockwise (negative direction) from x-axis.
2. Let the components of a stress matrix at a point P in a body be...
2. Let the components of a stress matrix at a point P in a body be given by (in MPa) σ11 = 63 MPa; σ12 =-63 MPa; 013 = 42 MPa ơ33-:-21 MPa (a) Show these stresses on a cubic element enclosing the point P (b) Calculate the traction vector on a plane passing through the point P and oriented at n- 2e1 3e2 +6e3)
The state of stress at a point on a body is given by the following stress...
The state of stress at a point on a body is given by the following stress components: 0 = 15 MPa, Oy = -22 MPa and Try = 9 MPa Matlab input: sx = 15; sy = -22; txy = 9; 1) Determine the principal stresses 01 and 02. 1 = MPa 02= MPa 2) Sketch the principal stress element, defined by the rotation @pl. y Enter the rotation @pi (-360º < Opl < 360°): Opl = Add stress components:...
Problem 1 (10pts) The components of stress at a point are given as right. Compute the...
Problem 1 (10pts) The components of stress at a point are given as right. Compute the effective/von Mises stress o Also determine the components of stress vector T( σ/) if this stress acts on the plane 2x+ 3y-52-5 0. (Note, first find the unit normal vector to this surface.) σ- ,=13-2-31 MPa 1-32丿 Extra Credit (5pts) Find the three principal stresses for this state of stress. Also determine the "principal direction/vector' of the largest tensile principal stress.
Question 5 (1 mark) Attempt 1 Consider the initial value problem: y'= 4.0(1+42), y(1 Using one...
Question 5 (1 mark) Attempt 1 Consider the initial value problem: y'= 4.0(1+42), y(1 Using one step of the following explict third order Runge-Kutta scheme ki = hf (Toniyn), k2 = hf(son+zh,yn+şkı), k3 = hf(antih,yn+şka), Yn+1 = yn+(k1+3kz), obtain an approximate solution to the initial value problem at x = 1.03. Maintain at least eight decimal digit accuracy throughout all your calculations. You may express your answer as a single five decimal digit number, for example 17.18263. YOU DO NOT...
Question 1 The cylindrical pressure vessel shown has an inside diameter of 625 mm and a...
Question 1 The cylindrical pressure vessel shown has an inside diameter of 625 mm and a wall thickness of 5 mm. The cylinder is made of an aluminum alloy that has an elastic modulus of E = 70 GPa and a shear modulus of G-26.3 GPa. Two strain gages are mounted on the exterior surface of the cylinder at right angles to each other; however, the angle θ is not known. If the strains measured by the two gages are...
Question 3 of 26 (3 points) Attempt 1 of Unlimited View question in a popup 8.2...
Question 3 of 26 (3 points) Attempt 1 of Unlimited View question in a popup 8.2 Section EX Baby weight: Following are weights, in pounds, of 10 two-month-old baby girls. It is reasonable to assume that the population is approximately normal. 12.23 12.32 14.13 9.34 11.48 8.63 12.66 10.30 12.34 12.95 Send data to Excel Part: 0/2 Part 1 of 2 Construct an 80% interval for the mean weight of two-month-old baby girls. Round the answers to three decimal places....
Question 1 Not yet answered Marked out of 1.00 Flag question Solve the following pair of...
Question 1 Not yet answered Marked out of 1.00 Flag question Solve the following pair of simultaneous equations. -3.- 5y = -13, 5x + 4y = 26. Give your answers exactly, as integers or single fractions. The solution is: x = y= Question 2 Not yet answered Marked out of 1.00 Flag question Suppose that the number of atoms of a particular isotope at time t (in hours) is given by the exponential decay function f(t) = -0.578. By what...
photos for each question are all in a row (1 point) In the following questions, use...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
Multiple-Choice Questions (worth two points each) 1. Which of the following describes the process in which...
Multiple-Choice Questions (worth two points each) 1. Which of the following describes the process in which one adopts patterns of behavior that lead to greater life satisfaction? A. wellness B. health C. social determination D. self-efficacy 2. The Stages of Change Model of health behavior change emphasizes that A. change happens as a process. B. people change only when faced with an illness. C. change occurs only when the environment supports it. D. changes are more effective when based on...
2. Let the components of a stress matrix at a point P in a body be given by (in MPa) σ11 = 63 MPa; σ12 =-63 MPa; 013 = 42 MPa ơ33-:-21 MPa (a) Show these stresses on a cubic element enclosing the point P (b) Calculate the traction vector on a plane passing through the point P and oriented at n- 2e1 3e2 +6e3)
The state of stress at a point on a body is given by the following stress components: 0 = 15 MPa, Oy = -22 MPa and Try = 9 MPa Matlab input: sx = 15; sy = -22; txy = 9; 1) Determine the principal stresses 01 and 02. 1 = MPa 02= MPa 2) Sketch the principal stress element, defined by the rotation @pl. y Enter the rotation @pi (-360º < Opl < 360°): Opl = Add stress components:...
Problem 1 (10pts) The components of stress at a point are given as right. Compute the effective/von Mises stress o Also determine the components of stress vector T( σ/) if this stress acts on the plane 2x+ 3y-52-5 0. (Note, first find the unit normal vector to this surface.) σ- ,=13-2-31 MPa 1-32丿 Extra Credit (5pts) Find the three principal stresses for this state of stress. Also determine the "principal direction/vector' of the largest tensile principal stress.
Question 5 (1 mark) Attempt 1 Consider the initial value problem: y'= 4.0(1+42), y(1 Using one step of the following explict third order Runge-Kutta scheme ki = hf (Toniyn), k2 = hf(son+zh,yn+şkı), k3 = hf(antih,yn+şka), Yn+1 = yn+(k1+3kz), obtain an approximate solution to the initial value problem at x = 1.03. Maintain at least eight decimal digit accuracy throughout all your calculations. You may express your answer as a single five decimal digit number, for example 17.18263. YOU DO NOT...
Question 1 The cylindrical pressure vessel shown has an inside diameter of 625 mm and a wall thickness of 5 mm. The cylinder is made of an aluminum alloy that has an elastic modulus of E = 70 GPa and a shear modulus of G-26.3 GPa. Two strain gages are mounted on the exterior surface of the cylinder at right angles to each other; however, the angle θ is not known. If the strains measured by the two gages are...
Question 3 of 26 (3 points) Attempt 1 of Unlimited View question in a popup 8.2 Section EX Baby weight: Following are weights, in pounds, of 10 two-month-old baby girls. It is reasonable to assume that the population is approximately normal. 12.23 12.32 14.13 9.34 11.48 8.63 12.66 10.30 12.34 12.95 Send data to Excel Part: 0/2 Part 1 of 2 Construct an 80% interval for the mean weight of two-month-old baby girls. Round the answers to three decimal places....
Question 1 Not yet answered Marked out of 1.00 Flag question Solve the following pair of simultaneous equations. -3.- 5y = -13, 5x + 4y = 26. Give your answers exactly, as integers or single fractions. The solution is: x = y= Question 2 Not yet answered Marked out of 1.00 Flag question Suppose that the number of atoms of a particular isotope at time t (in hours) is given by the exponential decay function f(t) = -0.578. By what...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
Multiple-Choice Questions (worth two points each) 1. Which of the following describes the process in which one adopts patterns of behavior that lead to greater life satisfaction? A. wellness B. health C. social determination D. self-efficacy 2. The Stages of Change Model of health behavior change emphasizes that A. change happens as a process. B. people change only when faced with an illness. C. change occurs only when the environment supports it. D. changes are more effective when based on...
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