The Physics of Sound w/ Bill Nye the Science Guy
Twenty Thousand Hertz
00:00
How Fast Is My Voice Traveling?
In order to achieve its remarkable top speed, the exhaust coming out of the engines is generally going right about the speed of sound. So there's a shock wave produced in the exhaust of the engines, and it gets very hot. And what they did with the b two bomber they we it your tax stars. The put the exhaust on top of the wing so that the bad guys have much more difficulty sensing its heat from the ground. It's cool or hot, your tack ars at work.
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