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April 21, 2014

Homework Help: physics

Posted by john on Thursday, October 24, 2013 at 4:08am.

A person jumps from the roof of a house 4.0-m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.66m. If the mass of his torso (excluding legs) is 42kg , what is the magnitude of the average force exerted on his torso by his legs during deceleration?

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