4 ms·
> and without all the rushing air That's the exploding bit though. You don't need containment, you just need the the airburst. A hyper-heated pocket of air tha
by margalabargala 5mo ago
> and without all the rushing air
That's the exploding bit though. You don't need containment, you just need the the airburst. A hyper-heated pocket of air that then expands rapidly is itself an explosion.
- jojobas 5mo ago>then expands rapidly Except it doesn't. The breakup has roughly the same dynamics as dirt spreading as it gets out of a tip truck. The shockwave is not produced by the outward motion, it barely has any speed.
- margalabargala 5mo agoYou're conflating the outward motion of the rock with the outward motion of the air. The shockwave is traveling at the speed of sound.