At an axial load of 25 kN, a 50-mm-wide by 20-mm-thick polyimide polymer bar elongates 2.8 mm while the bar width contracts 0.29 mm. The bar is 190 mm long. At the 25-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v = (c) Athickness= i GPa mm

At an axial load of 25 kN, a 50-mm-wide by 20-mm-thick polyimide polymer bar elongates 2.8 mm while the bar width contracts 0.29 mm. The bar is 190 mm long. At the 25-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v = (c) Athickness= i GPa mm

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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