Recent content by jrs

  1. J

    What is the Correct Temperature Yesterday?

    I'm thinking about it this way: Say I've got a chain, and at some temperature T0 it measures the distance between two fixed points to be the full length of the chain - call that 1 unit of measure. The next day is very hot and the chain has expanded to twice it's original length. At that...
  2. J

    What is the Correct Temperature Yesterday?

    While studying for the Fundamentals of Engineering exam, I came across the following problem that has me puzzled: The problem then goes on to give four possible answers (37.06 degrees C, 38.06 degrees C, 39.06 degrees C, and d. 40.06 degrees C) though I'm convinced that none of them can be...
  3. J

    What causes the change in sound frequency when tapping a stirred liquid?

    hot coco and the rising pitch First. Hi gang. First post here. I saw this thread and had to comment. As you'll see I've pondered this subject before. 31 May 2006 My current theory(s) on this follow. I should say that although they're hypotheses, I haven't come up with a good...
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