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A spring cannon, pointing straight up, can fire a 57.2 gram ball a distance of 44.8 cm vertically above the equilibrium point

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beludin Given , m-57, 2 g = 0,0572 kr, et ern ん 2- 2 x 0.0572 xg. 0.448 O. 051 (0. 0516 1+0. 8496914 NIm

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