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Physics, 06.03.2021 01:40 axonify

A 55 kg pole-vaulter reaches a speed of 11 m/s just before planting the pole for the vault. a. If he has a speed of 0.5 m/s when he crosses the bar, what height can he clear?
b. If the mats he lands on are piled 1.5 m high, at what speed does he hit the mats?

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