2. Stuntman Maths: Jumping off a BuildingAugust 19, 2014
The main concern when jumping out off a building is that the airbag (cardboard boxes) cover the drop zone.
The maths calculations involved in jumping off a building are straightforward. You might like to check out How Maths Solved a real murder.
Jump Height that Kills
It doesn’t take much of a fall to cause damage. Sean Hughes, professor of surgery at Imperial College, London. Says “From a height of 3m you could fracture your spine,” he says. “At around 10m, you’re looking at very serious injuries.” (The Guardian, 20 MAY 2014)
Stunt Jump from building from standing start
As this jump – as in most base jumps – involves a standing start:
Stunt jump from building running
We will assume you are no Usain Bolt. His running speed, the fastest in the world, is 44.72 km/h (12.42m/s, 27.44 mph).
We’ll say your running speed on take off is:
Vy = 15 mph = 24.1 kph = 6.7 m/sec
Don’t do this at home.
NB: Airbag dimensions: 20m x 20m x 4 m
Handstand of death
Would you jump off a 25 story building?