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Unformatted text preview: Physics 2211 one es Form #311 Nemem Spring ELIOT Version A ‘ Print .Er'Uill' 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 neon5y eonrent. :ire[e this answer on
your test. and bubble. it on your answer eerd. Do not put any extra Instks on the card. 1' Tum ill EDI'1' WET ﬂﬂll Fill91”“ “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...“. = 981“?sz Entree" : fﬁ 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. hovr i'tlr to the right of the center of the circle does the ball
hit. the ground? [On Earth] 19} “Tap bf5e Maudwk 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‘, JPpﬂ 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. 1LJ“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
54: a" r is dmurc‘h T 51'1me thanfairs lay at Leif“ 5‘: '3": 3 2r? “with 2‘ 29 '= “HashS d. (11] mime} 3‘; pilot wishes to ﬁf.’ directly cast to a mwn 22mm] away. She wili H1: at EEkaEhr. If she socs
a. mmpmss heading dirELtly 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 cempleLe her ﬂight? {01] Earth} {a} W'hether the ﬂight hushz. 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 Tupiﬂ" i! m; VPA rahch o" plqu m”! wiped ft: erm‘ Trhpé
vi”: L: VP” 1va
Frau». 411:1!"qu WM} {Frail var 6. Form #311 Puge 4 CIT5 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 passees 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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 Spring '08
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