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5. A circular piece of diameter 8.00 cm is cut from an aluminum sheet at 21 °C. If the sheet is then placed in an oven and heated to 145 °C, what will the new area of the hole be?(The coefficient of thermal expansion for aluminum is 2.30 x 10-5 ℃-1) cm2

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CIMS-2 -O23 A = 핀60%3)250.5568

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