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April 24, 2014

Homework Help: Physics

Posted by Meka on Thursday, August 23, 2012 at 10:54pm.

Jenny measured the temperature of the water in a beaker, set the beaker aside, and then measured the temperature again after an hour. If the initial temperature of the water was 30C and the final temperature was 20C, which of the following could be the temperature of the surrounding air?

A. greater than 30C

B. greater than 25C but less than 30C

C. less than 25C but greater than 20C

D. less than 20C

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