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unusable, If we consider the material 2 ánd will it take to lift up material Z? Also, what will be the temperature of the adhesive after this

unusable, If we consider the material 2 ánd will it take to lift up material Z? Also, what will be the temperature of the adhesive after this

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3-) A huge lever has a constant temperature of 150C with an internal heater embedded in it. The T(t 0) = 150 C Material 2 4. lever is placed in contact with a material Z to soften the adhesive to lift the material Z from the * x{mm) Adhesive subflooring. Thìs adhesive softens when it is Subfiooring Tx,0) = 25 °C heated above 50C for more than 2 minutes. On the other hand, the temperature of the adhesive should not exceed 120 C. Otherwise it is unusable. If we consider the material Z and subfloor have 25C of initial temperature, how long will it take to lift up material Z? Also, what will be the temperature of the adhesive after this tìme period? Assume that the subfloor and material Z have the same k =0,15 W/mK and p.cs = 1,5x10 J/nm K. Please note that the thickness of the material Z is 4 mm.
Transcribed Image Text:3-) A huge lever has a constant temperature of 150C with an internal heater embedded in it. The T(t 0) = 150 C Material 2 4. lever is placed in contact with a material Z to soften the adhesive to lift the material Z from the * x{mm) Adhesive subflooring. Thìs adhesive softens when it is Subfiooring Tx,0) = 25 °C heated above 50C for more than 2 minutes. On the other hand, the temperature of the adhesive should not exceed 120 C. Otherwise it is unusable. If we consider the material Z and subfloor have 25C of initial temperature, how long will it take to lift up material Z? Also, what will be the temperature of the adhesive after this tìme period? Assume that the subfloor and material Z have the same k =0,15 W/mK and p.cs = 1,5x10 J/nm K. Please note that the thickness of the material Z is 4 mm.
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