Please provide detailed step by step solution, I truly appreciate your help, tha
ID: 1497299 • Letter: P
Question
Please provide detailed step by step solution, I truly appreciate your help, thank you!A circular piece of diameter 7.60 cm is cut from an aluminum sheet at 15 °C. If the sheet is then placed in an oven and heated to 135 °C, What will the new area of the hole be?
Please provide detailed step by step solution, I truly appreciate your help, thank you!
A circular piece of diameter 7.60 cm is cut from an aluminum sheet at 15 °C. If the sheet is then placed in an oven and heated to 135 °C, What will the new area of the hole be?
A circular piece of diameter 7.60 cm is cut from an aluminum sheet at 15 °C. If the sheet is then placed in an oven and heated to 135 °C, What will the new area of the hole be?
Explanation / Answer
coefficen to areal exp B = A2-A1/(A1*DT)
B = 2 Alpha = 2* 2.3e-5 = 4.6 e-5
initial area = A1 = pi r^2 = 3.14* (0.076/2)^2
A1 =0.00453 m^2
so DA = A2-A1 = (4.6 *10^-5) * (0.0453 *(135-15)
A2 = 0.00025 + 0.00453
A2 = 4.78 *10^-3 m^2
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