Solution #3 spring 2007

Solution #3 spring 2007 - Physics 2-211 one es Form #311...

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Unformatted text preview: Physics 2-211 one es Form #311 Nemem Spring ELIOT Version A ‘ Print .Er'Ui-ll' flame. best form number (3 digits at the top of this form], and student number it} digit Georgia Tech ID number} in the section of the answer card labeled “Student Identification.” I Bubble the 'l‘est i-'orrri Number in eolumns 1—3. skin column ‘1. then bubble your Student Number in oolunnts 5—13. I Freerresponse questions are numbered 1- III. For each. make no marks and leave an space on your card. Show all your work clearly. including all steps and logie. Box your answer. I: Multiplerhoire questions are numbered 1—ii. For each. select the answer most neon-5y eon-rent. :ire[e this answer on your test. and bubble. it on your answer eerd. Do not put any extra Inst-ks on the card. 1' Tum ill EDI-'1' WET flflll- Fill-91”“ “and 35 3'01!- leaVE- Your SCDI'E W1” be posted Under “Course Standing" when i! has been grandee. lQuiz grades. beeorne final when the next quiz is given. Ir You may use n enlenlstor that rennet store letters. but no other side. 575...“. = 9-81“?sz Entree" : f-fi 111.3132 Unless otherwise directed. all springs and cords are idea}, and drag shouid be neglected. I. {16 points} The figure shows a 3.1] kg; ball tied Lo the end of a. 51] em long string being swung in n circle in e t'ertieal plane at e eonetsnt speed. The center of the circle is 2313mm above the floor. The ball is swung at the minimum speed necessary to make it ever the top without the string going sleek. If the string is released at the institnt the bell is at the top of the loop. hov-r i'tlr to the right of the center of the circle does the ball hit. the ground? [On Earth] 19-} “Tap -bf5e Maud-wk 1M.“MI 7t, 5U cm 3. 1'“ fluid Voice“). x. I k r: s D I _ Light. \l I" t w T l t ' *- €Fr=u+T=mer=mv1 XL“? In finish a Prgjffilli‘? pher‘i'li'l Preuflh so“ 1’ 313‘, J-Ppfl fit Jifijfiflt x5 364'l'res did'iiquIJ-‘Jl a it: s... hum my“ Form #31] Page 1 LITE! If. [16 points] The figure shows two cards that HIE tied tn :1 930g mass which revolves in a horizontal firrlc at. a constant speed of 151x133. What is the LEIISiUIl in the upper cord? {On Earth.) A" g "I‘liq {HE‘qu 2 +1“!le 1m 1' .9 0.5m : 0.5m 1m l. Form #1511 Page 2 ul' 5 III. [16 points] Two blocks, each of mass m? are hanging in equilibrium from a vertical spring with constant in, as illustrated. 1|LJ“I.-"hr.-1n one block in reIntJt'ecil the Ienlaining block rises a distance LE to a new equilibrium position. If this single block is given a smali vertical displacement and released, it oscillates with millar frequency is. 1I.-'I.-"i'1at is o}: in terms of mi k, Li, and physical er mathematical constants? {On Earth.) his? in 2. {ti points) The spring and two blocks in the problem above are taken to the Moon. How do the values of d and u; on the Moon compare to those on Earth? (:0 Clef: "4+ prfud M a. Eeri- a] d is the same on the Moon. but id is less. h} d is less on the Eileen, but ELF“ is greater. :1 Jeff. d is the same on the Moan and a: is the same. .fi F = kax _._.. “a d is less on the i'lr'Icnonl but is the same. e] ti is less on the Moon! and w is less. M A Form #311 Page 3 oi 5 3. {CI points] The Current orbital period If the h-‘Innn is ilweelce. If the moon were [.wioe Lhe distance from the Earth than it currently is! the amount- of time it would Lake to go around the earth would he mugth . . . {a} fiweelrs {h} lfiweelrs {ch 54 weeks {d} Sweeks [e] (MM a, mr1'_ am 211""; 5': afltr 1=fl1 3 l;:—-—-———-— $1 .——-: ,_. r T‘a‘r: :1 Mfrlgr': (3"!qu ‘T “K THL 5-4: a" r is dmurc‘h T 51'1me than-fairs lay at Leif“ 5‘: '3": 3 2r? “with 2‘ 2-9 '= “Hash-S d. (11] mime} 3‘; pilot wishes to fif.’ directly cast to a mwn 22mm] away. She wili H1: at EEkaEhr. If she soc-s a. mmpmss heading dirEL-tly east, a wind from the north will blew har- south of he:- deaLinaLion. So! she saw a. mmpass heading to compensate for the wind, and her nimlane flies: directly cast over the ground. How much time '15 required Fer her Le cempleL-e her flight? {01] Earth} {a} W'hether the flight hush-z. mere than one hnurl less than one hdurl er one huurl depends on the speed at" LIlE' noth wind. ’0} Leer; than one heLu'. I: m {d} One hour. Velmfl'r In“ GI? Hr“? “‘de i” 3"”"J Tim; (mu; n -r_l fiftipr J" plqhe wlfil Tupi-fl" i! m;- VPA rahch o"- plqu m”! wiped ft: erm‘ Trhpé vi”: L: VP” 1-va Frau». 411:1!"qu WM} {Frail var 6. Form #311 Pug-e 4 CIT-5 5. (It) points] A pendulum hub is released from rest on the left {point 1] and Swings Le ite endpoint en the right {point 5}. What it: the direction 01' the heb‘s aeeelerettnn the first time it passe-es through point 4? {On Earth} [3,} Direction 1". b] Somewhere between direetinn ii and directinn iii. [ (e) Direction iii. {cl} Direction fit. I: Somewhere between direction 1' and direction I'll. iii ii. [iii puinte} A. simple pendulum on the pleine of Mars has, a period 1'. It is carried up a, very tall l'riartiim mountain? where the ameleretten of gravity is truly 99% of that en the plain. What is the parind of the pendulum Lilli the rnflufltein top? [3,} r (b) were: {c} {d} 0.992" {e} thflflfl Furrn #311 Page 5 L:-[ 5 ...
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Solution #3 spring 2007 - Physics 2-211 one es Form #311...

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