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In February 1955, a paratrooper fell 1200 ft from an airplanewithout being able to open his chute but happened to land in snow,suffering only minor injuries. Assume that his speed at impact was56 m/s (terminal speed0, that his mass (including gear) was 85 kg,and that the force on him from the snow was at the survivable limitof 1.2 X 10 ^ 5 N. What is the minimum depth of snow that wouldhave stopped him safely?

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