What is the diameter of the hole in the aluminum plate

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A hole is drilled in an aluminum plate with a steel drill bit whose diameter is 6.245 cm at 20 degrees Celsius. In the process of drilling, the temperatures of the drill bit and plate rise to 168 degrees Celsius. What is the diameter of the hole in the aluminum plate when it has cooled back down to 20 degrees Celsius.

Reference no: EM13305516

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