(Ill) A person jumps from the roof of a house 3.9-m
Chapter , Problem 26(choose chapter or problem)
(Ill) A person jumps from the roof of a house 3.9-m high.When he strikes the ground below, he bends his knees sothat his torso decelerates over an approximate distance of0.70 m. If the mass of his torso (excluding legs) is 42 kg, find(a) his velocity just before his feet strike the ground, and(b) the average force exerted on his torso by his legs duringdeceleration.
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