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| Teaching Since: | Apr 2017 |
| Last Sign in: | 327 Weeks Ago, 4 Days Ago |
| Questions Answered: | 12843 |
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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
A stuntwoman jumps from a 4.3-m height and lands on the ground. In order to minimize the likelihood of injury, she flexes at the knees while landing rather than landing stiff-legged. The flexing of the knees serves to increase the stopping time, thus reducing the average net force while stopping. Calculate the minimum stopping time such that the normal force on the stuntwoman does not exceed 8 times her weight. answer in s
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