Does the Hyperloop break the sound barrier?

Hyperloop is a futuristic transportation system that resembles a supersized version of a pneumatic tube at the drive-through window of a bank. Here's how it would work. People hop into a pod, which would travel up to 760 miles per hour inside a tube. That's a whisker shy of breaking the sound barrier.



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Fifty years ago, the federal government banned all civilian supersonic flights over land. The rule prohibits non-military aircraft from flying faster than sound so their resulting sonic booms won't startle the public below or concern them about potential property damage.

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Fifty years ago, the federal government banned all civilian supersonic flights over land. The rule prohibits non-military aircraft from flying faster than sound so their resulting sonic booms won't startle the public below or concern them about potential property damage.

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And the jet pilots don't feel a sonic boom from the cockpit, just as passengers on a boat don't feel the effects of the wake behind them, she added.

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The power, or volume, of the shock wave depends on the quantity of air that is being accelerated, and thus the size and shape of the aircraft. As the aircraft increases speed the shock cone gets tighter around the craft and becomes weaker to the point that at very high speeds and altitudes no boom is heard.

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Aircraft are put through extreme testing during their certification, but such limits are never intended to be actually faced. The 747 -100, for instance, was tested up to Mach 0.99, almost breaking the sound barrier. Other 747s, such as Air Force One, have approached the sound barrier but never crossed it.

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It's performative and the pilot can't hear you anyway! Whether you love to clap or not, know that the pilots likely can't hear you. This is due to the soundproof-nature of the cockpit.

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