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048/1 Your answer is partially correct. A circular hole in an aluminum plate is 2.207 cm in diameter at 0.000°C. What is its diameter when the temperature of the plate is raised to 77.49°C? The inear expansion coefficient of aluminum is 23.00x 106/C Number2.213 Units cm eTextbook and Media Hint Did you use the coefficient of linear expansion for aluminum with the given temperature change?
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Answer #1

The diameter of the cicular hole when the temperature of the plate is raised to 77.49 °C is D=D (1+α(7-5) = (2.207 cm)(1+(23.0x10)(7749-0)) 2.207 cm

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