5. An A36 W-beam steel guardrail has an allowable strength of 165MPa and E = 200GPa. The W-beam section has a cross sectional area of 14.35cm², and a length of 4.0m. If a vehicle collides with the end of the guardrail such that it is loaded axially along its length, what is the maximum kinetic energy the vehicle can impart to the guardrail before it exceeds its allowable strength?
5. An A36 W-beam steel guardrail has an allowable strength of 165MPa and E = 200GPa. The W-beam section has a cross sectional area of 14.35cm², and a length of 4.0m. If a vehicle collides with the end of the guardrail such that it is loaded axially along its length, what is the maximum kinetic energy the vehicle can impart to the guardrail before it exceeds its allowable strength?
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Transcribed Image Text:5. An A36 W-beam steel guardrail has an allowable strength of 165MPa and E = 200GPa.
The W-beam section has a cross sectional area of 14.35cm², and a length of 4.0m. If a vehicle
collides with the end of the guardrail such that it is loaded axially along its length, what
is the maximum kinetic energy the vehicle can impart to the guardrail before it exceeds its
allowable strength?
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