2. With an area of 420 mm?, a bronze bar that is 3 m long is placed between two rigid walls as shown in Fig. below. Find the temperature at which the compressive stress in the bar will be 55 MPa, if at a temperature of -20°C, the gap A = 3 mm. %3D Use a = 18.0 x 106 m/(m-°C) and E = 80 GPa. %3D
2. With an area of 420 mm?, a bronze bar that is 3 m long is placed between two rigid walls as shown in Fig. below. Find the temperature at which the compressive stress in the bar will be 55 MPa, if at a temperature of -20°C, the gap A = 3 mm. %3D Use a = 18.0 x 106 m/(m-°C) and E = 80 GPa. %3D
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
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Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...
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![2. With an area of 420 mm², a bronze bar that is 3 m long is placed between two
rigid walls as shown in Fig. below. Find the temperature at which the compressive
stress in the bar will be 55 MPa, if at a temperature of -20°C, the gap A = 3 mm.
Use a = 18.0 x 10“ m/(m:°C) and E = 80 GPa.
L = 3 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55568d5e-8daf-4f06-bdd3-dd2b41d8dc42%2F94a52d75-ec07-4bec-9ed0-71eb8f22e6e1%2Fys0sbzp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. With an area of 420 mm², a bronze bar that is 3 m long is placed between two
rigid walls as shown in Fig. below. Find the temperature at which the compressive
stress in the bar will be 55 MPa, if at a temperature of -20°C, the gap A = 3 mm.
Use a = 18.0 x 10“ m/(m:°C) and E = 80 GPa.
L = 3 m
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