SlippingLadder

SlippingLadder - S; cL +'t2f :: A T V.1CJ(N354) -7$(,.81) =...

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~ ~. 25"A I 'V'",. dl.rlCh~ *,~(~ £ll~ . ~ A 75 kg person is climbing a 5 m long ladder. The coefficient of friction for both surfaces is 0.25. Neglect the weight of the ladder. How far across (d) can the person's center of mass move before the ladder slips? Example 1)'t1'l :: -T :rs-C'}.f~ I) J - f> ( ~ $ LI'lIIO ') ~ ~ -O.2SB (>co~{g6) =. 0 .2) f> ~ 1 tt8·
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Unformatted text preview: S; cL +'t2f :: A T V.1CJ(N354) -7$(,.81) = D J ~ A =-=t3~· B-~i-. \~ ~~f. =t-U~5Sa)-O.2S(1-?,S.5-3 :r. 14 ) =c;; ~ lJIt d "A~ ~ ~ ~ ~=: lw \'7-rt1-V.Q.v,,~ itltt+ A ~ 0 ~ A=-+35".5-,1-1 (I.I~)= IPnq ) 0 V B~O: B= Ilf9.S-(I.FrJ 'l0 -to tW,\U SlNl( 'fua+ --{t!u <-Wi c,'h~·", 'W uS d rtf ~+ sU:\ iuL. .. J (~chmw...
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This note was uploaded on 12/19/2010 for the course EGR 75 taught by Professor Virgin during the Fall '08 term at Duke.

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