# physics

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An aluminum rod at 18 degrees Celsius has a length of 2.50 meters. At what possible temperatures will it's length change by 1cm?.

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Using the coefficient of thermal expansion for Al, (alpha), compute the temperatures at which the length change deltaL = +0.01 and -0.01 m

alpha *2.5 * deltaT = +/- 0.01

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148.67

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What is iron rod?

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