a: speed of sound ~
b: speed of your car

What:

"The speed of sound is like the speed of your car. It is not a fundamental quantity of Nature. You can change it at will (you can change the speed of sound by heating up the gas for example)."


Useful?
Writer: Dr. Louis Leblond
LCC:
Where:
Date: Oct 28 2015 6:19 PM


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