The First half of this question has been answered. (First 3) Needing help with the last part. Answered: 1) Solid / Ductile Material 2) Spring Constant: K = 05 = 250 N/m 3) Time Threshold: 5 seconds Unanswered / Need: Viscoscity, Charasteristic Frequency & What real world model charasteristic does this describe?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.8P
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The First half of this question has been answered. (First 3) Needing help with the last part.

Answered: 1) Solid / Ductile Material 2) Spring Constant: K = 05 = 250 N/m 3) Time Threshold: 5 seconds

Unanswered / Need: Viscoscity, Charasteristic Frequency & What real world model charasteristic does this describe?

And I get the following force vs strain curves below (showing how the material
stretches) depending on how long the force is applied.
5 N
5 N
10 1 2 3 4 5 6 7 89 10
to 1 23 4 5 6 7 8 9 10
0.05
0.05
0.02
0 12 3 4 5 6 7 8 9 10
Time (s)
0 1 2 3 4 5 6 7 8 9 10
Time (s)
What sort of material is this? What are the viscosity and spring constant of the
material? What is the time threshold that determines whether the material acts as a
liquid or solid? What is the characteristic frequency of the material? What real world
material property does this model describe?
Strain
Force
Strain
Force
Transcribed Image Text:And I get the following force vs strain curves below (showing how the material stretches) depending on how long the force is applied. 5 N 5 N 10 1 2 3 4 5 6 7 89 10 to 1 23 4 5 6 7 8 9 10 0.05 0.05 0.02 0 12 3 4 5 6 7 8 9 10 Time (s) 0 1 2 3 4 5 6 7 8 9 10 Time (s) What sort of material is this? What are the viscosity and spring constant of the material? What is the time threshold that determines whether the material acts as a liquid or solid? What is the characteristic frequency of the material? What real world material property does this model describe? Strain Force Strain Force
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