A First Course in Differential Equations with Modeling Applications (MindTap Course List)
11th Edition
ISBN: 9781305965720
Author: Dennis G. Zill
Publisher: Cengage Learning
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Chapter 7, Problem 11RE
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H.w
WI
M
Wz
A
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Sind dy max
Утах
at 0.75m from A
w=6KN/M L=2
W2=9 KN/m
P= 10 KN
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2. A microwave manufacturing firm has determined that their profit function is P(x)=-0.0014x+0.3x²+6x-355 , where is the number of microwaves sold annually. a. Graph the profit function using a calculator. b. Determine a reasonable viewing window for the function. c. Approximate all of the zeros of the function using the CALC menu of your calculator. d. What must be the range of microwaves sold in order for the firm to profit?
Chapter 7 Solutions
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1–18 use Definition 7.1.1 to find .
6....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....
Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 118 use Definition 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - Prob. 22ECh. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - Prob. 28ECh. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 1936 use Theorem 7.1.1 to find f(t)....Ch. 7.1 - In Problems 3740 find f(t) by first using a...Ch. 7.1 - Prob. 38ECh. 7.1 - In Problems 3740 find f(t) by first using a...Ch. 7.1 - Prob. 40ECh. 7.1 - We have encountered the gamma function () in our...Ch. 7.1 - Prob. 42ECh. 7.1 - In Problems 4346 use Problems 41 and 42 and the...Ch. 7.1 - Prob. 44ECh. 7.1 - In Problems 4346 use Problems 41 and 42 and the...Ch. 7.1 - Prob. 46ECh. 7.1 - Suppose that if {f1(t)} = F1(s) for s c1 and that...Ch. 7.1 - Figure 7.1.4 suggests, but does not prove, that...Ch. 7.1 - Discussion Problems Use part (c) of Theorem 7.1.1...Ch. 7.1 - Under what conditions is a linear function f(x) =...Ch. 7.1 - Explain why the function f(t)={t,0t24,2t51/(t5),t5...Ch. 7.1 - Show that the function f(t)=1/t2 does not possess...Ch. 7.1 - The function f(t)=2tet2cost2 is not of exponential...Ch. 7.1 - If L{f(t)}=F(s) and a 0 is a constant, show that...Ch. 7.1 - Prob. 55ECh. 7.1 - Prob. 56ECh. 7.1 - Prob. 57ECh. 7.1 - In Problems 5558 use the given Laplace transform...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 130 use appropriate algebra and...Ch. 7.2 - In Problems 3134 find the given inverse Laplace...Ch. 7.2 - In Problems 3134 find the given inverse Laplace...Ch. 7.2 - In Problems 3134 find the given inverse Laplace...Ch. 7.2 - In Problems 3134 find the given inverse Laplace...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - In Problems 3544 use the Laplace transform to...Ch. 7.2 - The inverse forms of the results in Problem 49 in...Ch. 7.2 - The inverse forms of the results in Problem 49 in...Ch. 7.2 - In Problems 47 and 48 use one of the inverse...Ch. 7.2 - Prob. 48ECh. 7.2 - (a)With a slight change in notation the transform...Ch. 7.2 - Make up two functions f1 and f2 that have the same...Ch. 7.2 - Prob. 51ECh. 7.2 - Suppose f(t) is a function for which f (t) is...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - Find either F(s) or f (t), as indicated. {e2t(t ...Ch. 7.3 - Find either F(s) or f (t), as indicated. {et sin...Ch. 7.3 - Prob. 8ECh. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 120 find either F(s) or f(t), as...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 2130 use the Laplace transform to...Ch. 7.3 - In Problems 31 and 32 use the Laplace transform...Ch. 7.3 - In Problems 31 and 32 use the Laplace transform...Ch. 7.3 - A 4-pound weight stretches a spring 2 feet. The...Ch. 7.3 - Recall that the differential equation for the...Ch. 7.3 - Consider a battery of constant voltage E0 that...Ch. 7.3 - Use the Laplace transform to find the charge q(t)...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 3748 find either F(s) or f(t), as...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 4954 match the given graph with one of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - In Problems 5562 write each function in terms of...Ch. 7.3 - Prob. 62ECh. 7.3 - In Problems 6370 use the Laplace transform to...Ch. 7.3 - use the Laplace transform to solve the given...Ch. 7.3 - Prob. 65ECh. 7.3 - y + 4y = f(t), y(0) = 0, y(0) = 1, where...Ch. 7.3 - y + 4y = sin t U(t 2), y(0) = 1, y(0) = 0Ch. 7.3 - use the Laplace transform to solve the given...Ch. 7.3 - y + y = f(t), y(0) = 0, y(0) = 1, where...Ch. 7.3 - y+4y+3y=1U(t2)U(t4)+U(t6), y(0) = 0, y(0) = 0Ch. 7.3 - Suppose a 32-pound weight stretches a spring 2...Ch. 7.3 - Solve Problem 71 if the impressed force f(t) = sin...Ch. 7.3 - In Problems 73 and 74 use the Laplace transform to...Ch. 7.3 - In Problems 73 and 74 use the Laplace transform to...Ch. 7.3 - (a) Use the Laplace transform to find the current...Ch. 7.3 - (a) Use the Laplace transform to find the charge...Ch. 7.3 - A cantilever beam is embedded at its left end and...Ch. 7.3 - Solve Problem 77 when the load is given by...Ch. 7.3 - Find the deflection y(x) of a cantilever beam...Ch. 7.3 - A beam is embedded at its left end and simply...Ch. 7.3 - Discuss how you would fix up each of the following...Ch. 7.3 - Prob. 83ECh. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - Prob. 2ECh. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 18 use Theorem 7.4.1 to evaluate the...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 914 use the Laplace transform to solve...Ch. 7.4 - In Problems 15 and 16 use a graphing utility to...Ch. 7.4 - In Problems 15 and 16 use a graphing utility to...Ch. 7.4 - In some instances the Laplace transform can be...Ch. 7.4 - In some instances the Laplace transform can be...Ch. 7.4 - In Problems 1922 proceed as in Example 3 and find...Ch. 7.4 - In Problems 1922 proceed as in Example 3 and find...Ch. 7.4 - In Problems 1922 proceed as in Example 3 and find...Ch. 7.4 - In Problems 1922 proceed as in Example 3 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 2334 proceed as in Example 4 and find...Ch. 7.4 - In Problems 3538 use (8) to evaluate the given...Ch. 7.4 - In Problems 3538 use (8) to evaluate the given...Ch. 7.4 - In Problems 3538 use (8) to evaluate the given...Ch. 7.4 - In Problems 3538 use (8) to evaluate the given...Ch. 7.4 - Use the Laplace transform and the results of...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 4150 use the Laplace transform to...Ch. 7.4 - In Problems 51 and 52 solve equation (10) subject...Ch. 7.4 - In Problems 51 and 52 solve equation (10) subject...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 5358 use Theorem 7.4.3 to find the...Ch. 7.4 - In Problems 59 and 60 solve equation (15) subject...Ch. 7.4 - In Problems 59 and 60 solve equation (15) subject...Ch. 7.4 - In Problems 61 and 62 solve the model for a driven...Ch. 7.4 - In Problems 61 and 62 solve the model for a driven...Ch. 7.4 - Discuss how Theorem 7.4.1 can be used to find...Ch. 7.4 - In Section 6.4 we saw that ty + y + ty = 0 is...Ch. 7.4 - (a)Laguerres differential equation ty+(1t)y+ny=0...Ch. 7.4 - The Laplace transform L{et2} exists, but without...Ch. 7.4 - Solve the integral equation f(t)=et+et0tef()d.Ch. 7.4 - (a) Show that the square wave function E(t) given...Ch. 7.4 - Use the Laplace transform as an aide in evaluating...Ch. 7.4 - Prob. 70ECh. 7.4 - Prob. 71ECh. 7.4 - Appropriately modify the procedure of Problem 72...Ch. 7.4 - The charge q(t) on a capacitor in an LC-series...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - Prob. 10ECh. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 112 use the Laplace transform to solve...Ch. 7.5 - In Problems 13 and 14 use the Laplace transform to...Ch. 7.5 - In Problems 13 and 14 use the Laplace transform to...Ch. 7.5 - In Problems 15 and 16 a uniform beam of length L...Ch. 7.5 - In Problems 15 and 16 a uniform beam of length L...Ch. 7.5 - Someone tells you that the solutions of the two...Ch. 7.5 - Reread (i) in the Remarks at the end of this...Ch. 7.6 - In Problems 112 use the Laplace transform to solve...Ch. 7.6 - In Problems 112 use the Laplace transform to solve...Ch. 7.6 - Prob. 3ECh. 7.6 - Prob. 4ECh. 7.6 - In Problems 112 use the Laplace transform to solve...Ch. 7.6 - Prob. 6ECh. 7.6 - d2xdt2+xy=0d2ydt2+yx=0 x(0) = 0, x(0) = 2, y(0) =...Ch. 7.6 - Prob. 8ECh. 7.6 - Prob. 9ECh. 7.6 - Prob. 10ECh. 7.6 - Prob. 11ECh. 7.6 - In Problems 112 use the Laplace transform to solve...Ch. 7.6 - Prob. 13ECh. 7.6 - Derive the system of differential equations...Ch. 7.6 - (a) Show that the system of differential equations...Ch. 7.6 - (a) In Problem 12 in Exercises 3.3 you were asked...Ch. 7.6 - Prob. 17ECh. 7.6 - Prob. 18ECh. 7.6 - Prob. 19ECh. 7.6 - (a) Show that the system of differential equations...Ch. 7 - In Problems 1 and 2 use the definition of the...Ch. 7 - In Problems 1 and 2 use the definition of the...Ch. 7 - Prob. 3RECh. 7 - Prob. 4RECh. 7 - In Problems 324 fill in the blanks or answer true...Ch. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - Prob. 11RECh. 7 - Prob. 12RECh. 7 - Prob. 13RECh. 7 - Prob. 14RECh. 7 - Prob. 15RECh. 7 - Prob. 16RECh. 7 - Prob. 17RECh. 7 - Prob. 18RECh. 7 - Prob. 19RECh. 7 - Prob. 20RECh. 7 - Prob. 21RECh. 7 - Prob. 22RECh. 7 - Prob. 23RECh. 7 - Prob. 24RECh. 7 - In Problems 25–28 use the unit step function to...Ch. 7 - In Problems 2528 use the unit step function to...Ch. 7 - Prob. 27RECh. 7 - Prob. 28RECh. 7 - In Problems 29–32 express f in terms of unit step...Ch. 7 - Prob. 30RECh. 7 - Prob. 31RECh. 7 - In Problems 2932 express f in terms of unit step...Ch. 7 - Prob. 33RECh. 7 - Prob. 34RECh. 7 - Prob. 35RECh. 7 - In Problems 3542 use the Laplace transform to...Ch. 7 - Prob. 37RECh. 7 - In Problems 3542 use the Laplace transform to...Ch. 7 - y + 2y = f(t), y(0) = 1, where f(t) is given in...Ch. 7 - Prob. 40RECh. 7 - Prob. 41RECh. 7 - In Problems 3542 use the Laplace transform to...Ch. 7 - Prob. 43RECh. 7 - Prob. 44RECh. 7 - The current i(t) in an RC-series circuit can be...Ch. 7 - A series circuit contains an inductor, a resistor,...Ch. 7 - A uniform cantilever beam of length L is embedded...Ch. 7 - When a uniform beam is supported by an elastic...Ch. 7 - Suppose two identical pendulums are coupled by...Ch. 7 - Coulomb Friction Revlslted In Problem 27 in...Ch. 7 - Range of a ProjectileNo Air Resistance (a) A...
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