Written Homework 5 Solutions

Written Homework 5 Solutions - Physics Fall2007 221 25...

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Physics 221 Fall2007 Written Homework due Tuesday Septernber 25 1-- Each sketch below describes the one dimensional motion (in a horizontal plane) of a 5.00 kg system during a4.00 s interval. For each case, what is the work done onthe system by the total force on the ry$"l 1"rtT* the time interval? \& 6.,a 3'rrt* V*o=o V1 st o VX 5nqts o t 'ls Ca.,) dv"=o V(Lls) -6ff= \1 .",V: tq. $ t (c) ( (e;=o r K€P- = It{ta) (\a€f 3Co s r\ - /w\ k\ \ | = 5 'Jl vo- v 5 VL= a<)roS\NT o'- \K€ =o 4 t.= (-n/s V(,IJ =e \K3-e -l$ttlrt)' =-6r-.s W*iri -6?-.5q \ Ke + (rLo)( 5*FQ : C?_, T .\- ;r v(1.\= 5 t Wnr"r= Q W"ur= A.Ke w".1 = V(qsl: $ t Wtr.T= + (2" f .\ !u: cl
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Physics 221 Fall2007 Written Homework due Tuesday September 25 2-- A 100 kg mass starts at rest 5.00 m above a plane and then slides down a frictionless slope and onto a frictionless plane (shown in the left sketch below) and compresses a spring 150 cm before coming momentarily to rest. (a) What is the spring constant of the spring? (b) The mass is sent back in the opposite direction by the compressed spring. To what height will the mass rise up the slope before momentarily stopping aga'nr?
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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 5 Solutions - Physics Fall2007 221 25...

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