grade of P\' for the whole course and brought to the attention of the Dean of ac
ID: 2088209 • Letter: G
Question
grade of P' for the whole course and brought to the attention of the Dean of academic affairs for Check the undergraduate catalog on academic dishonesty and disruption of academic following l have process. I attest to the 1. worked independently, 2. received no help on this programming assignment from anybody, and 3. given no help in completing the programming assignment Question1 Hardness of materials is one of the most used material selection factors. Hardness is equated with wear resistance and durability. One of the hardness tests is called the Brinell hardness test. In this case, a ball is pushed into the surface of the material, and an optical measuring device is used to measure the diameter of the resulting indentation. The diameter of the ball and indentation, and the applied force is then used, calculate the Brinell hardness number (HB). where L load, kg D diameter of indentor, mm d diameter of indentation, mm Specifications: Write a MATLAB worksheet where the values of L, D, and d, are placed in the beginning of the MATLAB worksheet and then it computes and displays the Brinell Hardness. Use L 3000 kgf, D:10mm, d=7.2 mm. Question2 Multiply matrix A [234; 5.267;891 ] by matrix B (46;78 5:11 Question3 signvelo city ofabodyt®2+in(2t)toavariable. Usethesubscommandtofindthe velocity attef Question f(x) ( In x)2. Evaluate the integral from x«Hox-inf. Create the function Question5 Let the following polynomial represent the altitude in meters during the 48 hours following the launch of a weather balloon: h(t)-0.12t+ 12t3 -300t2+ 4100t+220 Assume that the unit of t is hoursExplanation / Answer
Expressions containing a variable are not atomatically evaluated when we assign a value to the variable. The subs command evaluates the expression without changing the expression.
syms t
v= t^2+ln(2t);
t=5
subs(v)
The value for v is still the expression. Subs command evaluates v at value of t=5
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