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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.

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.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A steel rod is stretched between two walls. At 20C, the tensile force in the rod is 5000N. If the stress is not to exceed 130MPa at -20C, find the minimum allowable diameter of the rod. Use a=11.17x10^-6C and E=200GPa.

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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 × 10-6 /°C and E = 200 GPa.
Transcribed Image Text: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 × 10-6 /°C and E = 200 GPa.
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