A high-density polyethylene [E = 128 ksi; a = 88 x 10-6/°F] bar is positioned between two rigid supports, as shown. The bar is square with cross-sectional dimensions of 2.50 in. by 2.50 in. and length L = 48 in. At room temperature, a gap of A = 0.35 in. exists between the block and the rigid support at B. After a temperature increase of 120°F, determine magnitude of the normal stress in the bar. Answer in psi rounded-off to 2 decimal places. L
A high-density polyethylene [E = 128 ksi; a = 88 x 10-6/°F] bar is positioned between two rigid supports, as shown. The bar is square with cross-sectional dimensions of 2.50 in. by 2.50 in. and length L = 48 in. At room temperature, a gap of A = 0.35 in. exists between the block and the rigid support at B. After a temperature increase of 120°F, determine magnitude of the normal stress in the bar. Answer in psi rounded-off to 2 decimal places. L
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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![A high-density polyethylene [E = 128 ksi; a = 88 x 10-6/°F] bar is positioned between two
rigid supports, as shown. The bar is square with cross-sectional dimensions of 2.50 in. by
2.50 in. and length L = 48 in. At room temperature, a gap of A = 0.35 in. exists between
the block and the rigid support at B. After a temperature increase of 120°F, determine
magnitude of the normal stress in the bar. Answer in psi rounded-off to 2 decimal places.
L](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec0472f3-d81c-4d4e-8d23-e88643cce0bb%2F3114b60b-edb2-4535-97a2-e37b083ac2cb%2F1t3dcpm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A high-density polyethylene [E = 128 ksi; a = 88 x 10-6/°F] bar is positioned between two
rigid supports, as shown. The bar is square with cross-sectional dimensions of 2.50 in. by
2.50 in. and length L = 48 in. At room temperature, a gap of A = 0.35 in. exists between
the block and the rigid support at B. After a temperature increase of 120°F, determine
magnitude of the normal stress in the bar. Answer in psi rounded-off to 2 decimal places.
L
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