Quote:
Originally Posted by cornholio
There was also a nail that came down at one point and did actually hit somebody in the courtyard the other day -- luckily, they weren't badly hurt."
You know she never took the time to actually "think" about her fears with a statement like that...
How would a nail badly hurt someone unless it was like a railways stud? Falling objects have such a thing as terminal velocity, a falling nail would at worst puncture the top layer of your skin and offer everyone around a good laugh.
Having said that a 200lb piece of glass would kill you on the spot...No one would be laughing in that case.
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A nail, even a small one, is fairly aerodynamic. Even if they are light, the mass vs. drag could allow it to gain enough speed to cause severe puncture injuries, even then it'd have to impact right. The probability is low, but the risk is there. It's kind of like a bullet, even when it is beyond it's max effective range, well below the sound barrier, losing it's stability and starting to tumble, that 5 gram piece of copper and lead still has potential to cause life threatening or life ending injuries.