The pole vault landing pad at an Olympic competition
Chapter , Problem 51(choose chapter or problem)
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its resting height of down to as the vaulter is slowed to a stop. (a) What is the time interval during which a vaulter who has just cleared a height of slows to a stop? (b) What is the time interval if instead the vaulter is brought to rest by a 20-cm layer of sawdust that compresses to when he lands? (c) Qualitatively discuss the difference in average force the vaulter experiences from the two different landing pads. That is, which landing pad would exert the least force on the vaulter and why?
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