Why is the temperature of air outside more tolerable than touching a surface of the same temperature?

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Lets say its 100-110 degrees outside. Yeah its hot, but I can stand it. But when I touch a surface at that same temperature, it hurts and i cant stand it. What’s the difference?

In: Physics

2 Answers

Anonymous 0 Comments

There’s been similar questions already answered here, you might be able to find them, but to sum it up, it boils down to this:

We don’t feel temperature. What we feel is the transfer of heat. So for example, if it’s freezing outside and you touch a wooden bench – you can feel it’s cold, right? Now touch a metal pipe of the exact same temperature, and it’ll feel way colder. We know they’re the same temperature, so the only difference is at what rate is the heat transfer happening.

So to answer your question, transfer of heat from the air to your body is slow, so you feel slightly warm. But if you touch an object of the same temperature or submerge yourself in water of the same temperature, it’ll feel way hotter, because the rate of heat transfer from the object or water to your body is faster than with air.

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