Written Homework 2 Solutions

Written Homework 2 Solutions - Physics221Fall2007 Written...

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a a l\ t', h'\c\.hJ Physics 221 Fall2007 Written Homework due Tuesday Septanber 4 l--- Sometimes a skydiver's parachute fails. In the vast majority of cases this is fatal. There are raf,e occasions when the diver does survive, uzually associated with deep snow or haystacks. Aszume that the human body can survive brief accelerations of up to 75 times the normal gravitational acceleration (75g). If the skydiver's velocity just before hitting the snow tttuyl is 50 rdq what minimum stopping distance that will allow the diver to survive? cc\ .v*r < -16 ' t t \/ =vo*^t - C 50 *rf s --1f tf 6-"tfJ t= -nl S :6K zvng Jc sToP r'vrTh 15 tr |\(-Eu€x?-f\3tcN -f S tf ,K-,r*) trAA* N{c torl sTurtr? vut +!ot' = so -rls Ie u.'Jr) I-t-,rXt,s?)(6,x'ojr f \, \ nn Y= Tue SKY C$r€a- SuL?xctL oF \TO? \,I T.I\€ h\N /yy\ (t Lcw t\ tsNow1 +l\ "/ 1N:
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j u.-, f f ,r.,. .f S Physics 221 Fall2007 Written Homework due Tuesday September 4 2--- A hot air balloon has an altitude of 80m above the ground and is ascending (straight upward) at a rate of 12 m/s when a ball bearing is released over the side.
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This homework help was uploaded on 03/27/2008 for the course PHYS 221 taught by Professor Herrera-siklody during the Fall '08 term at Iowa State.

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Written Homework 2 Solutions - Physics221Fall2007 Written...

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