A 50 kg person falls out of a tree. He hits the ground legs first with a speed of 7 m/s. After landing, he is at rest. a. (put answer in Blank #1) What is the impulse (change in momentum) he experiences when landing? b. If he bends his legs during landing, he greatly reduces the force he feels. Calculate the force experienced both if he bends his legs during landing: t 0.1 s (put answer in Blank #2) and if he lands straight-legged: t-0.001 s (put answer in Blank #3) Blank #1 Blank # 2 Blank #31
A 50 kg person falls out of a tree. He hits the ground legs first with a speed of 7 m/s. After landing, he is at rest. a. (put answer in Blank #1) What is the impulse (change in momentum) he experiences when landing? b. If he bends his legs during landing, he greatly reduces the force he feels. Calculate the force experienced both if he bends his legs during landing: t 0.1 s (put answer in Blank #2) and if he lands straight-legged: t-0.001 s (put answer in Blank #3) Blank #1 Blank # 2 Blank #31
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter9: Momentum And Its Conservation
Section: Chapter Questions
Problem 93A
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