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Home Q & A Board Science-Related Homework Help Physics
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pulseh14 pulseh14
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5 years ago
Your hand is warmed when you blow on it with your mouth open, but when your lips are puckered so that air expands as you blow, your hand is
A) warmer still.
B) cooler.
C) neither warmer nor cooler.
Textbook 
Conceptual Physics

Conceptual Physics


Edition: 12th
Author:
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CalybooCalyboo
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5 years ago
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pulseh14 Author
wrote...

5 years ago
Good timing, thanks!
Starfiew
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Yesterday
Thanks
Lawson1981
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2 hours ago
Brilliant ツ
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