Ex3_F01

# Ex3_F01 - KW Net-“ember 15 EDUI Physics 220 — Exam#3...

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Unformatted text preview: KW Net-“ember 15 EDUI Physics 220 — Exam #3 This exam miJEiEtE ef 12 preblems en ’5' pages. Please cheek that 3-1111 have them all. All of the formulas that you will nee-:1 are git-en belmr. “mu may 3.15:. 113.2; a mummy. SiﬂE=1lﬂlrt ﬁﬁﬁﬂszr talle=yfm r 1.. average speed = W E = Ell-E mfg? avenge W—ﬂﬂtﬁty = ﬁ' = 4‘ x instentsneeus trelenzitg.r = slepe sf pesitien versus time instantsnesus semlm'stien = slaps sf velecity versus time For eenstsnt seeelerstien'. s = 3.3. + 1.1:"! + ﬁst2 t' = ﬂu :— at e3 = t-ﬁ +2ufs—JID] F‘ = me 3:13;“ = sgleststie friction] FIN-mm = nytslidingfﬁet-ien} Jami-w = G = ﬁﬂ'ﬁ's lﬂl‘“ ngfkgl at = ezf-r' RE = Eire-1."a W=Fc£ eesﬂ' PEgmﬂy = my}; pusher : werltfﬂt f3" = we? zip = impulse z Fﬂt me = —t:r. I’Emm = its? 3 =As§i.t:[e.:t} t = .dweeefwt] w: Mm er: W'L w=23rf f=1fT EH mustard: angular meteretien: E=Eu+srut+ﬁst3 w=e=n+et w3=w§+2nﬁﬂ—ﬂuj lthfwgfﬂ L=Iw T=Icr 5:313?“ w=ufs ceszF'r w=ﬂft Pressure = Fereefst‘ee Aim = rig-e3 PI +pﬂ1'il +m\$fﬂ = :5 +93% +93%? ArnE-imeies prineiple: buoyant feree = weight of ﬂuid dispisned 1- A reoord of diameter 0-12 m is initially at rest. The tee-uni player is then turned on and the reeerd eeoeleretee LuiiFoI'mlj.r to an angular speed of 3.5- rﬂdiﬂJJS'a'l5. II' the record make 5.5 revolutioiie during this timeJ ﬁnd the angular acceleration of the record- [o} 1.1 Haifa? L bet-shade WE: ND .4! 2 mi {‘3‘ {:3 meme? ,1, my me megs? D l 2' [a 9%: a: Mme at my. ,~F#_._,_._.— 2. it epheIe of meee 3.5 kg rolls without slipping down at rem]:- of height 0.9? m as shown below. Find the speed of the sphere when it reeohvﬁ the bottom of the temp. Ignore eir drag. The moment of inertial of e Sphere ie Emﬂafﬁ. r 119an kg (3.] 13 me mam—H {h} 433 mfe [ejl 3211135 _ -. _ .1; PE; {d} 0-29 1111’s iiEﬁ PE; " riff e ,Lr- 1+ “*3 Lia - . L -iee5:g3,'f_tiwig. I w 1 ‘3‘ “‘re—WFL'F'ehﬂ‘J‘ G i“ ‘1‘ ,» Lt T .5, I 1 Lib/teat , .L WﬂrfprP-EIWF' ‘* Waikiki-r w.— Egﬁlﬂiﬂﬂl] , 1 eL M - eje: *1 :3 HU- ‘IT; “F” «P 1 Q —- -I. 3. A. pel'tiele attached Le a. Spring with aprlng eenetent £3 = 125 me is undergoing simple harmonic metien, and its peeitien is given by the equatien e: : l.?eee|:2a1t]|. Find the peried ef the met-ital]. tailed: X: Awiw'ﬁ-J {h} Gil-'12 e [ell H.333 a T {:1} Le e 3""? . 2w 3"? : em 4. A baseball is hit with an initial speed of 35 mfe at an angle of 5,5” with reepeet te the [herieentel] greund. Hew far from heme plate deee the hall land? Ignore air drag, and assume that the ball starts; at gmnnrl level- E. A bleak of mass 4.4 kg is [imp-pad [rem a height of 3.3 In ante s. spa-i mg that is initiallyr at rest [itsP unstretehed sud uncompressed}. When the tiles}: lands an the spring, the sﬁring is mmpressed an ﬂlﬂﬂlllit- 115-2 m befere Deming nmmenteriiy tn rest. Find the spring are nt it ef the spring. ' re {a} \$80 N [h] 251] mm {:3 see mm 33'“ . is sewn: é ..——-—'_'_-—' ,I/r’fr’lf {If}!!! IggA-FPE ” {5ng FE? L L +ikﬁ. L L I“ Ahlht : alt—meg”; PPM; .F ".F (ERIE!) Hi.- rd" t" “j It+ L T 1- law-j "‘ ﬁﬂgjatqr‘t 1 3‘“ fl, 1 '3" _ I.“ L I: {:K' 1 “stir 34“ 1 i“ 4’ = seat/e '5. Test best [timid has at powerful haw {for archery]- The haw-string emnbinatjnn as a. spring with Spril‘ng censtsht J}: = «iﬂﬂ me. You have an srrew ef mess [1.15 kg. If yet: want ts sheet the: snow with a speed of 55 mars: threugh what distance must you pull back the bew string? 1‘. JAR: 1 {sJDﬂ-ttlm 1 .m_ Arr-rm" 4' 3 qt" Eb) ﬂlﬁgm J— — 1- "IF ?1 (its Lam f .- e {d} ass in D [e} £125 in 1'. ﬂ. pal-sum 0E lsngth 125 m and mass .55 kg sits st rsst an two suppsrts as shown hsls-w. The mass of the is distributed unifummr. Find thus [GI-cs [If the right suppﬂrt sun the: Tank. P ‘63: 3., ‘15 m : t3 2 24 F“ 1.1 W 1: "40h _ L F; Lissa if: c; 2 “Fuji! ﬁg“ ‘1‘ ’1 L2“ is] sssrs if) M; {sJETﬂN i??g#3lfﬂj{:.£ﬂ§ a: ﬁt ,FH-F 1 H Isis“ M .— 315rnl-wl" :F Ll ﬂ 3- A has. of volume 4.3 m3 is Easting in st Isl-ts. TEES] 0f the 1mm: is under water. Find the massiths bs-x. [plum = 111110 kgfmﬁj - EB. 11 hue ie traveling at 12 mfe dawn a hill when the brakes are applied end all feur wheels leek. The hill is en inclined plane that meltee an angle et' 1’?” with the lmrieﬂntel. The eeefﬁeient ef friction hetween the tires and the reed ie [LEI]. Hew tar deee the hue skid hefere earning be e etep? tall?“- -- frk ' k cl {e} 52 m [13} 93 In “El 1E3. A11 airplane wian :ie deeigned te eperate with an air speed e!‘ Silt] mfg ever the tep of the wing and E25 mfe aereee the hettem. If the lift Eeree en the wing is 5-5 but I'll" N, ﬁnd the area of the wing. [Helpful hint: 30“. may ignore the thine-knees of the wing] _ _ . _ E [em—1.3 kg;m3,1:;m_1.ex1e ea} 3 Iggy; are, H E- 2 3 [\$361113 HF; L tweed m2 P; 470 3 ’ 1'“ u 22 m2 Pm___l_ .._._~—P—"' {d} 41 m5 I"l1 If} LIL hellﬂ'fmE FFL?H?L-)ﬂr:g " _l' Lgmrltj/Cl" ,1 in“; J 3* bf {egg-ah”; L t zgth?‘ 1.— elf: egg" - - 3'41“? ml 'F L}: #lxﬁl“ ' L 11. The water pressure in the pipes in Eur heuEE ie 3.5 it Hit“ Pa. When you epeu e. faucet, whet is the speed eF the water when it sprays eut'?‘ Assume Liiet tiae epening ef the faucet is very smell. [puma = lﬂﬂﬂ kgfmﬁ; Fair =13 kgfmai Pm“ G Li] H 10-5 Fe] 13-11113“ ﬁt Ed) eame T l T g ! NF 2 Eel eemft g‘gmﬂ; It; ham FF :3: h JI-h wig:- Sf’r'uﬁu} Rh: :' l; fare: 1‘3. Yeur jet: is te design a pendulum eleek using e simple pendulum {Len s, mass tied tn 3-. ﬁtting}. The angels! frequency ef a simple pendulum is w = ﬁigfL where L is the length ef the pendulum- ‘I'eu went yeur elect: te make ens “tieh” {one eerie-d} ever}r it] s. Find the value ef L that is required. fa} 0-65 m (bjsem L 1’11“ e um *' e {e} 6.2m ﬂ @ﬁ; J‘ 3-" “Hall-'1. F}: L 9 ft e? (53‘; L. :— E“' a“? f The End ...
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## This note was uploaded on 02/05/2012 for the course PHYS 220 taught by Professor Chang during the Spring '09 term at Purdue.

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Ex3_F01 - KW Net-“ember 15 EDUI Physics 220 — Exam#3...

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