A 175-lb pole vaulter carrying a uniform 16-ft,10-lb pole approaches the jump with a

Chapter 3, Problem 3/161

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A 175 -lb pole vaulter carrying a uniform 16 -ft, 10-lb pole approaches the jump with a velocity v and manages to barely clear the bar set at a height of \(18 \mathrm{ft}\). As he clears the bar, his velocity and that of the pole are essentially zero. Calculate the minimum possible value of v required for him to make the jump. Both the horizontal pole and the center of gravity of the vaulter are 42 in. above the ground during the approach.

                                                   

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