Quote:
Originally Posted by Mutt
How many seconds would it take for a 120 pound person to fall 86 floors down?
I'm still haunted by the images of the people jumping from the WTC on 9/11
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Assuming each floor is about 12 feet high, the person is jumping from 1032 feet up, or about 314 meters. 120 Lbs = 54kg (excuse my Canadian'ness). Not accounting for air friction that person would hit the ground 282 km/h in about 8 seconds, with force close to 166,168 joules.