2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 27P

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2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the
rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum
allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

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