ME130_F08_Answers to HW Assignments

ME130_F08_Answers - Dr Saxena Fall 2008 ME 130 Applied Engineering Analysis(02 Fall 2008 Answers to HW Assignments A HW Chapter 3 Pr ob#3.3 Pr

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Dr. Saxena Fall 2008 1 ME 130: Applied Engineering Analysis (02) Fall 2008 Answers to HW Assignments A. HW Chapter 3 [] 1c o s ( x ) 1/3 3 2x 2 2 e e e Prob#3.3: u(x) Kcos e Prob#3.6: x ln(k x ) 1 Prob#3.8: 5e 1 2 u(x) x e Prob#3.10: 2e 1u ( x ) x Prob#3.11: t 35.89 seconds Prob#3.12: t 12.55 hours Prob#3.13: t 262.3seconds Prob#3.15  =  = =− = +− = = = 1 21.43t 21.43t max :V ( t ) 3 e 1 e 1 Prob#3.16: H 47.89 m + = B. HW Chapter 4 (partial) 1.56t 6.288t f f ff f 53 Prob#4.1(c): e e 44 Prob#4.3: y(t ) 2sin(5t) Prob#4.5: y(t) 2.66e 0.66e Prob#4.12: t 93.79 seconds t Prob#4.16a : 0.05cos(4t) sin(4t) 8 t Prob#4.16b: 0.5 0.05cos(4t ) sin(4t ) 8 Pro −− =+ = + = == + f b#4.16c: t 4 seconds =
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Dr. Saxena Fall 2008 2 C. HW Chapter 5 () st 2 0 2t 2 5t t 2 Prob#5.1(c): sinh2t e dt s4 4s 2 Prob#5.2(c): L e 4cosh t s 3 78 1 Prob#5.3(b): f (t) e 3cosh3t sinh3t e e 33 3 11t Prob#5.3(d): e tsin3t sin3t cos3t 35 4 1 8 = +  =  ++  =+ = +   =− + tt 23 4 t 2 t 3t 10t ee Prob#5.4(b): sinh t t t 2 ts i n t Prob#5.4(c): 11 2 Prob#5.6(c): y(t) e cosh3t e sinh3t e e 3 e e Note: cosh3t , sinh3t 22 5 Prob#5.7: cos6t e cosh8t e sinh 24 24 96 −− = ω ωω = + +− == + + 18t 8t e e 24 192 + D. HW Chapter 6 n 2 n1 n 1 24 Prob# 6.1(c): cos(n x) 14 n ( 1 ) c o s ( n t ) Prob#6.2(c): 3 n n t 2 n t Prob#6.3(a): cos sin 32 n 2 n =
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This note was uploaded on 09/08/2010 for the course ME 130 at San Jose State University .

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ME130_F08_Answers - Dr Saxena Fall 2008 ME 130 Applied Engineering Analysis(02 Fall 2008 Answers to HW Assignments A HW Chapter 3 Pr ob#3.3 Pr

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