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

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