An elastic rod with a cross-sectional area A = 2mm2 is stretched from an intial legth of 1.0m to a final legth of 1.1m at a constant tempreture of 15 degrees celcius . Calculate the heat exchanged between the elastic rod and its surroundings if it is made of a material with a isothermal Youngs modulus ET = 150GPa and a linear expansivity at constant tension af = 15 x 10 -6 K-1. a) 129.6675 J b) -129.6675 J c) -6.75 J d) 6.75 J
An elastic rod with a cross-sectional area A = 2mm2 is stretched from an intial legth of 1.0m to a final legth of 1.1m at a constant tempreture of 15 degrees celcius . Calculate the heat exchanged between the elastic rod and its surroundings if it is made of a material with a isothermal Youngs modulus ET = 150GPa and a linear expansivity at constant tension af = 15 x 10 -6 K-1. a) 129.6675 J b) -129.6675 J c) -6.75 J d) 6.75 J
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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An elastic rod with a cross-sectional area A = 2mm2 is stretched from an intial legth of 1.0m to a final legth of 1.1m at a constant tempreture of 15 degrees celcius . Calculate the heat exchanged between the elastic rod and its surroundings if it is made of a material with a isothermal Youngs modulus ET = 150GPa and a linear expansivity at constant tension af = 15 x 10 -6 K-1.
a) 129.6675 J
b) -129.6675 J
c) -6.75 J
d) 6.75 J
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