Question: A 9 5 k g 9 5 k g pole - vaulter falls from the peak of their jump ( ( at rest )

A 95kg pole-vaulter falls from the peak of their jump (at rest) at a height of 5.12m above a foam pad. The pole-vaulter comes to rest 0.8s after landing on the pad.
1. What is the athlete's velocity just before reaching the pad?
2. What is the average force exerted on the pole−-vaulter due to the collision?  
 

  

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