Help with thermodynamics basics? Due at midnight, please help! Three objects are

Question

Help with thermodynamics basics? Due at midnight, please help!

Three objects are kept outside for a long time on a cold day: a piece of cotton, a piece of wood and a piece of metal. Which object feels the coldest when you touch it? Which of the objects above would have the lowest temperature? The objects in questions 12 and 13 are placed in an oven heated to 90 degree C and left for a long time. Which object will feel warmest when you touch it? Which of the objects above would have the highest temperature?

Explanation / Answer

12.

the metal feels the coldest since it has the highest coefficient of thermal conductivity.

13.

Metal

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