A creep test is done at room temperature on a material on a metal alloy wire comprising of 30% Tin, 25% lead and a solid core copper of 40%. The test measures the increase in strain (Pa) over time (hr) while a constant load is applied to the test specimen wire. Fit the following data using quadratic regression and determine the strain for the duration time t= 5.625 hrs. (note use the rounded off coefficient values in calculating the function). (Answers should be in 3 decimal places) fox) xy x3y 0.452 Blank 1 Blank 2 Blank 3 Blank 4 Blank 5 0.724 Blank 6 Blank 7 Blank 8 Blank 9 Blank 10 3 0.918 Blank 11 Blank 12 Blank 13 Blank 14 Blank 15 0.966 Blank 16 Blank 17 Blank 18 Blank 19 Blank 20 5 0.948 Blank 21 Blank 22 Blank 23 Blank 24 Blank 25 Sum x Sum y Sum x? Sum x3 Sum x Sum xy Sum xy Blank 26 Blank 27 Blank 28 Blank 29 Blank 30 Blank 31 Blank 32 Ao = Blank 33; A, = Blank 34; A2 = Blank 35; f(5.625) = Blank 36 2. 4.
A creep test is done at room temperature on a material on a metal alloy wire comprising of 30% Tin, 25% lead and a solid core copper of 40%. The test measures the increase in strain (Pa) over time (hr) while a constant load is applied to the test specimen wire. Fit the following data using quadratic regression and determine the strain for the duration time t= 5.625 hrs. (note use the rounded off coefficient values in calculating the function). (Answers should be in 3 decimal places) fox) xy x3y 0.452 Blank 1 Blank 2 Blank 3 Blank 4 Blank 5 0.724 Blank 6 Blank 7 Blank 8 Blank 9 Blank 10 3 0.918 Blank 11 Blank 12 Blank 13 Blank 14 Blank 15 0.966 Blank 16 Blank 17 Blank 18 Blank 19 Blank 20 5 0.948 Blank 21 Blank 22 Blank 23 Blank 24 Blank 25 Sum x Sum y Sum x? Sum x3 Sum x Sum xy Sum xy Blank 26 Blank 27 Blank 28 Blank 29 Blank 30 Blank 31 Blank 32 Ao = Blank 33; A, = Blank 34; A2 = Blank 35; f(5.625) = Blank 36 2. 4.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![A creep test is done at room temperature on a material on a metal alloy wire comprising of 30% Tin,
25% lead and a solid core copper of 40%. The test measures the increase in strain (Pa) over time (hr)
while a constant load is applied to the test specimen wire. Fit the following data using quadratic
regression and determine the strain for the duration time t = 5.625 hrs. (note use the rounded off
coefficient values in calculating the function). (Answers should be in 3 decimal places)
f(x)
x2
x3
ху
0.452
Blank 1
Blank 2
Blank 3
Blank 4
Blank 5
1
0.724
Blank 6
Blank 7
Blank 8
Blank 9
Blank 10
0.918
Blank 11
Blank 12
Blank 13
Blank 14
Blank 15
4
0.966
Blank 16
Blank 17
Blank 18
Blank 19
Blank 20
0.948
Blank 21
Blank 22
Blank 23
Blank 24
Blank 25
5
Sum x
Sum y
Sum x?
Sum x
Sum x*
Sum xy
Sum xy
Blank 26
Blank 27
Blank 28
Blank 29
Blank 30
Blank 31
Blank 32
Ao = Blank 33; A = Blank 34; A2 = Blank 35; f(5.625) = Blank 36
3.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F79348bda-259e-4ed2-a3e5-21b404cc3fb1%2Fdc5c8705-cbfd-4aef-9eeb-db3a0cf618fd%2F5zu9tu8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A creep test is done at room temperature on a material on a metal alloy wire comprising of 30% Tin,
25% lead and a solid core copper of 40%. The test measures the increase in strain (Pa) over time (hr)
while a constant load is applied to the test specimen wire. Fit the following data using quadratic
regression and determine the strain for the duration time t = 5.625 hrs. (note use the rounded off
coefficient values in calculating the function). (Answers should be in 3 decimal places)
f(x)
x2
x3
ху
0.452
Blank 1
Blank 2
Blank 3
Blank 4
Blank 5
1
0.724
Blank 6
Blank 7
Blank 8
Blank 9
Blank 10
0.918
Blank 11
Blank 12
Blank 13
Blank 14
Blank 15
4
0.966
Blank 16
Blank 17
Blank 18
Blank 19
Blank 20
0.948
Blank 21
Blank 22
Blank 23
Blank 24
Blank 25
5
Sum x
Sum y
Sum x?
Sum x
Sum x*
Sum xy
Sum xy
Blank 26
Blank 27
Blank 28
Blank 29
Blank 30
Blank 31
Blank 32
Ao = Blank 33; A = Blank 34; A2 = Blank 35; f(5.625) = Blank 36
3.
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