Question: A square hole 7 . 5 0 cm along each side is cut in a sheet of copper. ( a ) Calculate the change in

A square hole 7.50 cm along each side is cut in a sheet of copper.
(a) Calculate the change in the area of this hole resulting when the temperature of the sheet is increased by 47.0 K.
cm2(b) Does this change represent an increase or a decrease in the area enclosed by the hole?

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