The Coefficient of Linear Expansion of Copper Is $17 \times 10 ^ { - 6 } K - 1$

question 62

Multiple Choice

The coefficient of linear expansion of copper is $17 \times 10 ^ { - 6 } K - 1$ A sheet of copper has a round hole with a radius of 3.0 m cut out of it. If the sheet is heated and undergoes a change in temperature of 80 K, what is the change in the radius of the hole?

• A) It decreases by 4.1 mm
• B) It decreases by 8.2 mm
• C) It does not change.
• D) It increases by 4.1 mm
• E) It increases by 8.2 mm

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