Physics, 04.09.2020 19:01 whatnowb

A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. He then falls onto a thick pad. The top of the pad is 80 cm above the ground, and it compresses by 50cm as he comes to rest. What is his acceleration as he comes to rest on the pad?

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A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. He then falls o...