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Refrigerator

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#15976
Fun:*** (2.35)
Difficulty:* (0.95)
Category:Science
Submitted By:curtiss82*****
Corrected By:cnmne

 

 

 



On a hot summer day, a man who had no air conditioning decided that he would cool off his home by leaving the door to his refrigerator open. Does he succeed in cooling off his home?





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Comments

od-1Aca*
Jan 12, 2004

I wounder how many people have accually tried it.
XOLPLINKINPARK
Feb 11, 2004

me 2!!
Palsha**
Feb 13, 2004

Haha, I liked this one. I know the old man would have probably been me if I were in his shoes!
JakeAus*
Apr 20, 2004

It seems to me that with the door shut, the room is at a certain temperature and the inside of the fridge is at a much cooler temperature. When he first opens the door, the temperature of the room will try to equalize by moving a bunch of heat into the fridge. This will lower the overall temperature of the room at least initially. Then the temperature will rise back up to the normal hot temperature and it will stay that way. So it would be a quick, but not a permanent solution.
drussel3*us*
Jun 07, 2005

In reference to Jake's comments, the fridge will overcompensate for eing open, and will work harder. The heat generated by the heat exchanger will raise the temp of the room, actually making the room hotter.



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