If you stick a metal rod in a snowbank, the end in your hand will soon become cold. Does cold flow from the snow to your hand?
Whether cold flows from the snow-bank to the hand when one person sticks a metal rod in it.
Answer to Problem 22A
No
Explanation of Solution
Introduction:
A body that conducts heat is called thermal conductor while which does not conduct heat is called an insulator.
When a person sticks a metal rod in a snow-bank, the heat flows from one end to the other end of the rod as the metal is a conductor. The heat always flows from a body at high temperature to a body at cold temperature. The cold does not flow. The heat from the hand flows through the metal rod which in turn makes the hand colder.
Conclusion:
Hence, the cold does not flow to the hand.
Chapter 22 Solutions
Conceptual Physics: The High School Physics Program
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