Thursday, July 12, 2007

Does sound travel better in warm air or cold air?

It was cold in Erica's office. I came in and said hello, and she jokingly said that she couldn't hear be because of the Arctic cold in the room. That made me wonder if sound travels better in cold air than in warm air.

The answer: cold air.

Citations:
http://physics.uwstout.edu/deptpages/physqz/sndspeed.htm

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