Physics
Physics, 12.11.2020 03:10, Auriieee

When you open the front door to your warm house on a cold day, which way does the heat flow? For example, which is correct to say: "Close the door, you're letting the cold in!" or "Shut the door, you're letting the heat in!".

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When you open the front door to your warm house on a cold day, which way does the heat flow? For exa...

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