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Kinetics of Particles

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The bungee jumper, an 80kg man, falls from the bridge at A with the bungee cord secured to his ankles, as shown in figure 1. He falls 20m before the 17m length of the elastic bungee cord begins to stretch. The 3m of rope above the elastic cord has no appreciable stretch. The man is observed to drop a total of 44m before being projected upward. By neglecting any energy loss treating the man as a particle and taking that g=9.81m/s2 calculate:

a.) The stiffness of the bungee cord
b.) The maximum velocity of the man during his fall.
c.) His maximum acceleration

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Solution Summary

The expert examines kinetics of particles for a bungee cord.