I was watching a SciFi tv show where large objects had an outer speed limit of 18000 kph and that got me wondering what things in everyday life are faster than even 500 kph.
I know bullets can be fast, but they are not exactly everyday life (at least in my life).
I included mass for obvious relativistic reasons.
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When uncorking a champagne bottle, the gasses inside expand so fast that the white mist it can usually be seen is actually frozen CO2
This is my high school chemistry talking here, but don’t expanding gasses heat up? Ideal gas law and everything? Is there something weird happening like the CO2 instantaneously pressurizing or something right before expanding?
