A basketball star covers 2.80 m horizontally in a jump todunk the ball (Fig. P4.24a)

Chapter 4, Problem 24

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A basketball star covers 2.80 m horizontally in a jump todunk the ball (Fig. P4.24a). His motion through spacecan be modeled precisely as that of a particle at his center of mass, which we will define in Chapter 9. His centerof mass is at elevation 1.02 m when he leaves the floor.It reaches a maximum height of 1.85 m above the floorand is at elevation 0.900 m when he touches down again.Determine (a) his time of flight (his hang time),(b) his horizontal and (c) vertical velocity components atthe instant of takeoff, and (d) his takeoff angle. (e) Forcomparison, determine the hang time of a whitetaildeer making a jump (Fig. P4.24b) with center-of-masselevations yi 5 1.20 m, ymax 5 2.50 m, and yf 5 0.700 m.