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Len is a 59 kg pole vaulter and he falls from a peak height of 5.0...

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Physics

Len is a 59 kg pole vaulter and he falls from a peak height of5.0 meters after pole-vaulting over the crossbar set at thatheight. He lands on a thick mat and when he first makes contactwith the mat, his centre of gravity is only 0.91 meters high.During Len's impact with the mat, it undergoes a maximumcompression when his vertical velocity reaches 0 m/s and his centreof gravity is only 0.4 meters high. What is themagnitude (ignore direction) of the average forcein Newtons exerted by the mat on Len during this impact?

Answer & Explanation Solved by verified expert
4.3 Ratings (721 Votes)
Initially height of the pole vaulter is h150meters Just before coming in contact with the mat the height ofthe pole vaulter is h2091 meters The acceleration ofthe vaulter during this part of the motion    See Answer
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