Answer Happy

Discussion 5 Question 1: Explain the difference between ductile and brittle materials in terms of how they behave once their elastic limit has been passed. Which type would be better for a bridge? Why? Question 2: Using online (or textbook) resources, look up the Young's Modulus for two different materials and report what you found. What types of structures would be used for each material? Question 3: Lesson 14 presented an overview (review) of many fundamental topics in Excel such as navigating around spreadsheets, copying/pasting formulas, absolute referencing, etc. How familiar are you with Excel? Have you used Excel for other courses and/or work? Where any of the topics in the lesson new to you? Question 4: When computing the location of a centroid, why is the location of the reference axis important?