Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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Textbook Question
Chapter 62, Problem 39A
Determine the number of cubic centimeters of material needed for the cast plate shown. The casting is 3.20 centimeters thick. Round the answers to the nearest thousandth cubic meter.
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1. [10 points] Given y₁(x) = x²² is a solution to the differential equation x²y"+6xy'+6y=0 (x>0), find a
second linearly independent solution using reduction of order.
>tt 1:32
> trend.1m 1m (sales
> summary(trend.1m)
-
tt) #3###23 (i) ####
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 2107.220
57.997 36.332e-16 ***
tt
-43.500
3.067 -14.18 7.72e-15 ***
> trend = ts (fitted (trend.1m), start-start (sales), freq-frequency (sales))
sales trend ###23%23 (ii) ####
as.numeric((1:32 %% 4)
> X
> q1
> q2
> q3
> 94
=
=
=
=
-
as.numeric((1:32 %% 4)
as.numeric((1:32 %% 4)
as.numeric((1:32 %% 4)
== 1)
2)
==
== 3)
==
0)
> season.lm = 1m (resid (trend.1m) 0+q1 + q2 + q3 + q4) #3##23%23 (iii) ####
> summary(season.1m)
Coefficients:
Estimate Std. Error t value Pr(>|t|)
q1
-38.41
43.27 -0.888 0.38232
92
18.80
43.27
0.435 0.66719
q3
-134.78
43.27
-3.115 0.00422 **
94
154.38
43.27 3.568
0.00132 **
> season = ts (fitted (season.lm), start=start (sales), freq=frequency (sales))
> Y X season %23%23%23%23 (iv) ####
>ar (Y, aic=FALSE, order.max=1) #23%23%23%23 (v) ####
Coefficients:
1
0.5704
Order selected 1 sigma 2 estimated as 9431
> ar(Y, aic=FALSE,…
Refer to page 52 for solving the heat equation using separation of variables.
Instructions:
•
•
•
Write the heat equation in its standard form and apply boundary and initial conditions.
Use the method of separation of variables to derive the solution.
Clearly show the derivation of eigenfunctions and coefficients. Provide a detailed solution, step-
by-step.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440AZF/view?usp=sharing]
Chapter 62 Solutions
Mathematics For Machine Technology
Ch. 62 - Find the volume of a steel shaft that is 18.64 cm...Ch. 62 - Determine the area of a sector with a radius of...Ch. 62 - Find the area of a triangle with sides that are...Ch. 62 - Prob. 4ACh. 62 - Determine the values of 1 through 10.Ch. 62 - A 234 inch diameter high speed drill running at 68...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...
Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Express each volume as indicated. Round each...Ch. 62 - Solve these exercises. Where necessary, round the...Ch. 62 - Solve these exercises. Where necessary, round the...Ch. 62 - Prob. 33ACh. 62 - Prob. 34ACh. 62 - Solve these exercises. Where necessary, round the...Ch. 62 - A length of angle iron is shown. a. Find the...Ch. 62 - A steel forging is shown. a. Find the number of...Ch. 62 - A copper casting is in the shape of a prism with...Ch. 62 - Determine the number of cubic centimeters of...Ch. 62 - The steel beam shown weighs 7800 kilograms per...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - Solve the following exercises. Where necessary,...Ch. 62 - A rectangular aluminum plate required for a job is...Ch. 62 - Determine the cross-sectional area of a regular...Ch. 62 - A circular cross-sectional piece of brass rod...Ch. 62 - Find the length of a piece of bar stock with a...
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