An 80 kg man drops to a concrete patio from a window 0.50 m above the patio. He neglects to bend his knees on landing, taking 2.0 cm to stop. (a) What is his average acceleration from when his feet first touch the patio to when he stops? (b) What is the magnitude of the average stopping force exerted on him by the patio?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter4: Forces In One Dimension
Section: Chapter Questions
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An 80 kg man drops to a concrete patio from a window
0.50 m above the patio. He neglects to bend his knees on landing, taking
2.0 cm to stop. (a) What is his average acceleration from when his
feet first touch the patio to when he stops? (b) What is the magnitude
of the average stopping force exerted on him by the patio?

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