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As a new mechanical engineer for Engines Inc., you have been assigned to design brass pistons to slide inside steel cylinders. The engines in which these pistons will be used will operate between 20.0 and 150.0 . Assume that the coefficients of expansion are constant over this temperature range. If the cylindrical pistons are 25.000 in diameter at 20.0 , what should be the minimum diameter of the cylinders at that temperature so the pistons will operate at 150.0 ?

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