Ice skaters, ballet dancers, and basketball players executing vertical leaps often give
Chapter 2, Problem 77(choose chapter or problem)
Ice skaters, ballet dancers, and basketball players executing vertical leaps often give the illusion of hanging almost motionless near the top of the leap. To see why this is, consider a leap to maximum height h. Of the total time spent in the air, what fraction is spent in the upper half (i.e., at )?
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