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Heat Flow and Work

Imagine you and some friends are out boating on a chilly day. The wind is crisp and becoming unbearably cold. As you turn to head home, your boat tips over and everyone falls out of the boat into a freezing cold river.

What will happen to your body heat?

Because the water temperature is much lower than that of any person (about 38°C), and because water is such a good conductor for heat flow, energy as heat will flow rapidly from your body into the water.



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