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Posted by on Tuesday, March 8, 2011 at 7:22pm.

Certain kinds of steel expand one part in 100,000 for each 1o C they increase in temperature. If a section of a bridge that has no expansion joints has a length of 1.5 km when the temperature is 50o C, what is its length when the temperature is 80o C?

  • Physics - , Tuesday, March 8, 2011 at 7:23pm

    We will be happy to critique your thinking, but not do it for you.

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