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Question:

An annular ring of aluminum is cut from an aluminum sheetWhen this ring is heated, what happens to the hole?

Options:1the area of the hole expands a greater percent than any area of the aluminum2the area of the hole expands the same percent as any area of the aluminum3the hole decreases in diameter4linear expansion forces the shape of the hole to be slightly elliptical5the aluminum expands outward and the hole remains the same in size

Answer:

An annular ring of aluminum is cut from an aluminum sheetWhen this ring is heated, what happens to the hole? 2the area of the hole expands the same percent as any area of the aluminum

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