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A flat metal washer (a circular plate with a circular hole cut out of it) is heated. Does the hole get smaller, larger, or remain the same size? Explain.
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A flat metal washer (a circular plate with a circular hole cut out of it) is heated. Does the hole get smaller, larger, or remain the same size? Explain.

User Joe Shaw
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It gets larger since the heat is expanding it outward
User Amumu
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