Ex2_F02

# Ex2_F02 - Physics 221 — Exam#2 Untﬂbﬂr IT 2002'1!le...

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Unformatted text preview: Physics 221] — Exam #2 Untﬂbﬂr IT 2002 '1'!le exam rum-5:113 of 11.! pruhlnnui rm T Please check that yﬂu have them El]. .-"|.l] til the furrmllmi that you will mum! are givan herluw. "I'uu may HLHIJ 113.4:- a calculalnr. Eilll']I — yfr cue-H? ; If.“ lmjﬂ w 3.1,“; T averagv spun-d = y = 5.3 mfs‘ I 1 mile LE km :1: average vallmng- —- if = :instamnmmur; I'El-ﬂ-E'thr = :illrpi‘r {If pﬂsltiﬂll HEI‘SUS Time insmnu-memm m-L-ulerat'mn -— HIDIH‘ 11f ‘r'P-lﬂi'ilrr' Wl‘ﬁuﬁ T'lHI-f' Fur mustam mmleratinn: r: =' 47.3 + ta: + ﬁre 1.- .= 1|” + at 11” —_ nu? + 2::{1— In]! F: = IraE 'Fli’ﬁm = MN [HL'rlLif frlt'tlun] Ffrmlmol = #55" [Emu-“H {Hahn} Fgrnnly = 61.91 C- = EI.EII— ZH.’ 10—” thlllfkgg ex: = L'Ea'l‘?‘ HE = but? H.‘ : Pd {-953 PEFEUIIU = my}: [mwcu' — wrkfﬂi ji' : "213' ﬂy —- impulw : Fair 1. Fur {Ihrieilmaﬁ 3.1m Intuit-{r a 110W Eli-W1 HEM take it 1-1} thl‘. hi” Ell-UWH hf‘IUW 1'0 LFJ' ll out. This 13 the boat sledding hill in tun-n: and hue; rm Frictinn hﬁ'tWE'PTI the WP uf tha- hil] [lmim A] Mud 1ht!'.'t!r_1.' lHiLLu-tlil [nu-in: B}. After [Jﬂil'l’r n lhllﬁl LE [mile-mu. EU ufllir rum'hlng pmut 3 Wu ﬁlm.- tr;- a thp- [1' [Ian mam uf yﬂut' sled and :mu i-‘i 13D kg. and the- rmafﬂuirm uJ' f]'i_n;'|.i_u:u i5 .1”; — U333. her far will yum 1FE-L‘r"|"|. 11ml point B befnnl muting m a limp? {ii} 4U m _ F E- “ﬂﬂq gar-ﬂaw - Fig-+1? ; C” 1.1.; mu “:3 .53 f—hﬁk +w’ : {:3 {:3 m: [I] =_ _.__ =_- +f1¥f<rﬁx 1 .J. tprmiﬁ [ml] .:m‘-lH1-n_;iﬂ kg} 15; [mm-Hug er'ardh‘ :L'Illll Ell 5| ﬁpl‘tld ﬂfﬂﬁ 111:":5. Tit-ll hiT thl: [ml] cluL uf the :1'11'. and knnt'k it Mick Lmu-ards }'I:-LL]' uppﬁ'ﬂ'lﬁrlt ﬂ’r. FL": rill-“H. 1f L111? L121” 15 'Ll] L'nntat'r. u'i'rh }'I:-IL:r rm'kl'l t'ul [1.[IIE-Ll' 5. ﬁml HH‘. M'IEIHgE‘ Yum-i" UT TIM" Earl-wt U-ﬂ Lht‘ ha“. : M . 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A FEES-L111 IE on e skateheard and has a S|Hllld 3.5 mlﬂ's as she. :ttarLH up a. ramp If she waste 11;”: the ramp, what :ia-t her HEJHHI'I when she reaches a location 2.5 In higher than her starting leeatien? Inn-re the kinetic “ereg M the. wheels er the skate-beam: and minute- that. Frictitm 'in negligihlu- [a]- Tﬂ mfs [ll] —_. "Te-J 4.81M: I' .E rulers ﬁll.“ __ l :1 L5 [eil she doesn't make it that high ﬁr; f Hr H3. "t’mt are. trawling in H. .‘jpﬂﬂ't’. ﬁhip [mat-1'5 13m] kg} with a Hpeesd. 0f ﬂlﬂﬂ mfﬁ. as you approach a. space station that yen want te visit. You then ﬁre reel-Lets Le slew jr'ﬂLlI‘ :tpmﬂl LL: matnh the HFJEEIHJ. (If Ll'w. Htaliun which it: Hill-II IIIII'IH. If the. rut;th exert a. fume Lal- DDU on your ship. fer how long must yen ﬁre the reel-:ets? Iﬁuere the mm expellml hi1; yuur rnt'kHIH when they lire. {HI-EHJIIJI‘ that it it. VII-ET}? HmﬂJIII. [e] ﬂﬁﬂs .1 \JI {at am 3.- A”? yew d We. [e3 EEUS : F :— F'__ :1 i— F. f: H PR 4:; ‘3 wt ll. 'I'm’} [dual-:5. and a pulqu,‘ aril Hrmngml mi nIIthl. Blurb: #3 sits at rest on a. table. The pu]lc].-' jﬁ friﬁLianle-HH and IIHLH-ih‘ﬁﬁ‘ 11ml thf' rah]? Lu. IJIHHHLIZEHH. Find lhi! Erma-1 [JI- L]'l+‘. htth m1 blur}: # E. [3} DZ] N 19.1% 1: {ﬂ ﬂﬂ N [E1] 53 I"; {veil lﬁ-{II H .o- 12. Which 11f Lhe [ullnwirlg HtélH'Hll‘tth in. ']'H|.'1-'.'.’ in] In. an IiELLﬂilI-illl' L'Ulhﬁltlll. mmm-nlum in III:-l ['ulmclrwri. __ H1] Mﬁthﬂtutual HIIE—‘THF i:—~ i:|11'i1_'.':- i'Jrll‘d‘l'Tl'r]. - __ _ {;-] Tn an rlszic cullisiml. Ihc' kiru'l'u' Inn-rm uf thv syﬁtvm is cmm‘rr'r'ﬂd. {d} Hewmn‘ﬁ third law.- ilhc- i'|I;'[JI:II|I.'-I'l'r|l'1iIIIIII principle] r1005 Ilﬂt apply LU friCLiDnal fin-rum: [4:] Gravity is um always 'rl IZ'Iilllrf'l'l'IiHi‘u'l“ ﬁII'I'I'. The End ...
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## This note was uploaded on 02/06/2012 for the course PHYS 220 taught by Professor Chang during the Fall '09 term at Purdue.

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Ex2_F02 - Physics 221 — Exam#2 Untﬂbﬂr IT 2002'1!le...

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