Aluminum Carabiner
Posted November 6, 2009
By admin
Temperature- physics question?
On a cold day with a shade temperature of 45 degrees, an Aluminum Carabiner and a glove are on the ground together, is their surface teperature exacky tge same and one feels colder just because I is a far better conductor, drawing the heat from your hand thousands of tines faster than the glove? Assuming they have both been exposed to 45 degree air for say one hour.
The surface temperature would eventually be the same after exposing for the some period of time. Though one would get hotter faster than the other due to different absorption coefficient.
At the beginning, yes, the aluminium would take away heat from your hand and thus will feel colder. That is because the objects are of lower temperature than your hand.
But after one hour, the aluminium would feel hotter than the glove. That is because of the same reason that enables it to heat up faster than the glove in the first place. It can transfer heat out of it faster when in contact with a cooler surface, in this instance your hand, when compared to the glove. And so it will feel hotter.
Cheers=)
Purple Aluminum Carabiner
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