Physics
posted by Michelle .
A circular hole in an aluminum plate is 2.725 cm in diameter at 0.000 degrees celsius. What is its diameter when the temperature of the plate is raised to 100.0 degrees celsius?

Physics 
bobpursley
the hole gets bigger.
deltaDiameter=OrigDiameter*coeffexpan*deltaTemp
so the new diamter=origDiameter+deltaDiameter.
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