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Statement of a problem № 41914

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Suppose a car manufacturer tested its cars for front-end collisions by hauling them up on a crane and dropping them from a certain height. (a) Show that the speed just before a car hits the ground, after falling from rest a vertical distance H, is given by √2gH. What height corresponds to a collision at. (b) 60 km/h? (c) 100 km/h?




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