Mathematics for Machine Technology
Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Chapter 22, Problem 12A

Finding Percentage, Percent, and Base in Practical Applications
Solve the following problems.

12. An engine loses 4.2 horsepower through friction. The power loss is 6% of the total rated horsepower. What is the total horsepower rating?

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5. (a) State the Residue Theorem. Your answer should include all the conditions required for the theorem to hold. (4 marks) (b) Let y be the square contour with vertices at -3, -3i, 3 and 3i, described in the anti-clockwise direction. Evaluate に dz. You must check all of the conditions of any results that you use. (5 marks) (c) Evaluate L You must check all of the conditions of any results that you use. ཙ x sin(Tx) x²+2x+5 da. (11 marks)
3. (a) Lety: [a, b] C be a contour. Let L(y) denote the length of y. Give a formula for L(y). (1 mark) (b) Let UCC be open. Let f: U→C be continuous. Let y: [a,b] → U be a contour. Suppose there exists a finite real number M such that |f(z)| < M for all z in the image of y. Prove that < ||, f(z)dz| ≤ ML(y). (3 marks) (c) State and prove Liouville's theorem. You may use Cauchy's integral formula without proof. (d) Let R0. Let w € C. Let (10 marks) U = { z Є C : | z − w| < R} . Let f UC be a holomorphic function such that 0 < |ƒ(w)| < |f(z)| for all z Є U. Show, using the local maximum modulus principle, that f is constant. (6 marks)
3. (a) Let A be an algebra. Define the notion of an A-module M. When is a module M a simple module? (b) State and prove Schur's Lemma for simple modules. (c) Let AM(K) and M = K" the natural A-module. (i) Show that M is a simple K-module. (ii) Prove that if ƒ € Endд(M) then ƒ can be written as f(m) = am, where a is a matrix in the centre of M, (K). [Recall that the centre, Z(M,(K)) == {a Mn(K) | ab M,,(K)}.] = ba for all bЄ (iii) Explain briefly why this means End₁(M) K, assuming that Z(M,,(K))~ K as K-algebras. Is this consistent with Schur's lemma?

Chapter 22 Solutions

Mathematics for Machine Technology

Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Prob. 17ACh. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Prob. 21ACh. 22 - Prob. 22ACh. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Prob. 25ACh. 22 - Prob. 26ACh. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Finding Percentage, Percent, and Base in Practical...Ch. 22 - Prob. 31ACh. 22 - A manufacturer estimates that 15,500 pieces per...Ch. 22 - The average percent defective product of a...Ch. 22 - Prob. 34ACh. 22 - Prob. 35ACh. 22 - The cost of one dozen cutters is listed as $525. A...Ch. 22 - A manufacturer's production this week is 3620...Ch. 22 - Two machines are used to produce the same product....Ch. 22 - Allowing for scrap, a firm produced 1890 pieces....Ch. 22 - A manufacturing company receives $122,000 upon the...Ch. 22 - Prob. 41A
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