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Consider a hot baked potato. Will the potato cool faster or slower when we blow the warm air coming from our lungs on it instead of letting it cool naturally in the cooler air in the room? Explain

Sagot :

Answer:

Blowing on it will cool it down.

Explanation:

Air blown from peoples lungs  is faster because of the small temperature difference with the hot baked potato.

Answer:

If you leave the potato to cool in still air, it will first warm the air around it to a couple of hundred degrees Fahrenheit. Convection will cause this air to ascend, drawing colder air in from the sides, but a wind from your lungs will replace this air with cooler air more quickly than convection.

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