Have to use thermodynamics concept 5. When you blow on the back of your hand with your mouth wide-open, your breath feelswarm. But, if you partially close your mouth (like during whistling) and then blow on theback of your hand, your breath feels cool. Why?

AIR GETS TO COOL WHEN IT EXPANDS ( FROM THERMODYNAMICS LAWS)

Answered: u blow on the back of your hand

Engineering

Mechanical Engineering

u blow on the back of your hand

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Have to use thermodynamics concept

5. When you blow on the back of your hand with your mouth wide-open, your breath feels
warm. But, if you partially close your mouth (like during whistling) and then blow on the
back of your hand, your breath feels cool. Why?

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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