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The rate of heat flow between two systems is measured in watts (joules per second).

Assume there are two systems with the same mass and specific heat. System A has an average temperature of 500 kelvins and system B has an average temperature of 400 kelvins. If thirty seconds after the systems are put in contact they both reach 450 K, then the average rate of heat flow is:

50 J/30 s, or rather 1.6 W.

(note: specific heat and masses = 1)

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Last updated on Wednesday August 06, 2008 at 20:56:35 PDT (GMT -0700)

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This article is licensed under the GNU Free Documentation License.

Last updated on Wednesday August 06, 2008 at 20:56:35 PDT (GMT -0700)

View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation

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