When an object is dropped from 400 km altitude in space, it accelerates to 7.8 km/s due to zero air resistance, then enters Earth's atmosphere where friction generates temperatures of 1,600°C—hotter than lava—causing the object to completely disintegrate rather than falling or landing.
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1,600°C From a Tennis Ball? Here's the Physics #space #simulation #shortsAdded:
Most people think it just falls down, but they're completely wrong. See, in the vacuum of space, there is zero air resistance. So, it accelerates all the way to 7.8 km/s.
And then it hits the atmosphere. The friction there hits 1,600° C. That is literally hotter than lava.
The ball doesn't fall. It doesn't land.
It completely disappears.
So, what if it was made of steel? Follow for that answer.
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