HW25soln

HW25soln - “2 due IIFSIIEIT HW#25 13.38 The mass efthe...

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Unformatted text preview: “2 due IIFSIIEIT HW #25 13.38 The mass efthe disk is 45 kg. and its radius is R = 0.3 m. The spfing constant is .5: = 601;} Ntm. The disk is relied Ie the lelt until the spring is compressed 0.5 m and released from rest. [a] If you assume the: the disk rolls, what is its angular acceleration at the instant it is released? [b] What is the minimqu euefficieut of static friction for which the disk will net slip when it is released? ‘mmL . . I NM- 5 edg LEW Late; “7% gm) 51er Fifi:fl_ FM («to {flaw Arms - 13.121 Each uflhc go-cart‘s front wheels; weighs 5 lb and has a nmrnenl nf'inenia ul‘flfll slug-Ii. The two rear u-hccls and war axle farm a single rigid body weighing 40 lb and having a moment of inerlia Drill slug—fl. The lotal weighl ul'thc gar-earl and driver is 240 lb. {The location of the center ul‘mass of the go-cari and driver, no: "winding the l'rnni wheels or the rear whucls and rear axle, is shown.) II"th ungim: exerts a turquc HF I2 fl-lh an lhc rear axle. what is th‘ go-cart’s acceleration? IL'IMJE- \ : gab—e firing“) 5f Lakshmi- A,..Ay 6, E), q—_——-_ L1Mlc5 An AF. E3" 6;: a: émbmrf "It? LILEELL 4‘1,”- / A 5" *f‘io‘r = Irma Hg r-v an cuff at ,F. M L4 ,5. 5 *J44‘.3 "—M-fifJ-fb ? UM cuff I b m QM 6x : 4- Wcflr‘f h? “H WW 3 : *4S.G7 =45'fio? H, r ficarf r I, 6“- 0M Ah:l‘34-‘.'39|II, r m t Qbfim I5“: ssm u, 1 a... mm L, M BF: ",53‘3 “I- 0533 1L: +- mum Lga‘ftym. 516: 2.41%? 9%,; __;., Uta-rd”) Err baffl' '5' m HWfiajg’nfiTffi'r-fm Ya}... $.31: ‘HJ-q. 593%? ert M We: w—E mtg/.ad'd ‘J’f'w— Y‘Ofigflmwp [Levitt-4. LoLwelQ/J—(becmae. filming flue/€7.- 5.22 VQG" M mum “flit-“j V'Ma/ L?“ bah—9"?“ # JQCr-fi-«MLCB, M 1;; 11.0% myrrh, m Min mgr-3.21 Wm: 90 JJ-a/ Fifi—JUI-r-J JQVfiKJ our-E: 1. WM Mageraémd to. M—trr' reimm fire-AJJL (2.11%.;21 ‘FVfieéL 127%. 'Wwfi“f ‘7 “hwy w? «Car .1 50th Ex Lé (you. war-c: mange/(1%? A LQDL—W‘pfl-{wawC-Q. mu; can") WCI%{[3.I a. XMj—mw LOLfiv-e accdfiafim Willa!) )N‘H- 1.90;?— afifiwfi GM 7;?n-5VLOW Wdfi‘ If??? Film: 36% ij‘vx—Q ,rifi‘ aeg- \jrflWLMlméflfie—afi;mayfiw€ for“ Wrij law/H 7C6? h Mwhfihjm f 7 b mu “4. {ma {.1 r' '1‘- mm. Mr «5 Ion. . [I await Art n In. Weighting Lg ...
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HW25soln - “2 due IIFSIIEIT HW#25 13.38 The mass efthe...

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