If a 99.79 kg man jumps from the top of a 176.8 meter tall building how long does it take for his body to decelerate to 0 ms once first contact with the ground is made?

If a 99.79 kg man jumps from the top of a 176.8 meter tall building how long does it take for his body to decelerate to 0 ms once first contact with the ground is made?
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1 Answer

Answer :

It depends upon how much the ground deforms once the first bit of his body hits the ground, and how much his body deforms once the first bit of his body has hit the ground. The former is likely to be much less than the second (unless it is a specially designed landing area, say, for a stunt man jumping of a tall building where it will be designed to deform much more than the body of the stunt man so as to ensure there is near enough no traumatic stress on his body). It will be any time greater than 0 seconds, the the amount of time depends as above.
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