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习题练习：Physics Unit12: Sound
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 作者: admin  发布日期: 2022-09-26 09:56    总分: 87分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月07日 09:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a false stpj u*wwd (a 5hw*y7ud *f*qdvnc33d6oatement?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In general, sound is conducted feve ca2+2m5t3 h4u:s6a wsyaeastest through

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the speed of sound in a steel rod?:o q.r ec7dj8mau6 1ww

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As the temperature of the air increases, what happens to the velocity of soundz8 :by a/vsf 96oaica5? (Assume that all other factors remain constant.cf 8baysv:695 a/o zai)

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the veloci9bx tww:d)ga3a5s0iimcu 9g4 fnh; t)ty of a 400 Hz sound, the velocity of a 200 Hz sound through aimxg4n3atcb his 0)d5w 9au:)wi9; ftgr is

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the wavelength of a 400 Hz sound,gyl uaqo vh9 x0m2:(.k the wavelength of a 200 Hz sound in air i 02x:v 9mhg u.aqkoly(s

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with frequencies greatlay+k4m 2dg :ner than 20,000 Hz are called

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with frequency less than 20 Hg0 i9 q7m+v1u k tss3b.pb-giwz are called

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Suppose that a sound source is emittlbf43lv/l0h:f .p 6xxz;obx qing waves uniformly in all directions. If you move to a point twice as far away from the source, the frequency of the sound will vl0b xqx;zf:.b6f phl ox43l/be

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For spherically diverging w3qde( 9 vkcrv/ uhx0)b 2uj7ajaves, intensity is proportional to

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity of a point source at a distance d from thejbk1t e-(m;lmc.( njx;lr 0 af source is I. What is the intenkl;njbe.rf-1mjxta(l(c 0m; sity at a distance 2d from the source?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You double your distance from a sound source that is radiating equallyyi4az 5zz1wcv9e3) u t in all directions. Wzz i54w1)yvteu9zac3 hat happens to the intensity of the sound? It reduces to

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You double your distance from a so b42v : xf:ig62dqrvdhvq,ck2und source that is radiating equally in all directions. What happens to the intensity levef x2 6riqv cbdv:,42hdvkq:2gl of the sound? It drops by

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following increases as a sound becomy0)fs wap6czgqx *6 4nes louder?

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You move slowly toward a speaker emitti(hl/ch w6)uux y88hf1aap s4qng a pure tone. What characteristic of the sound inqy f(ps 6hha4wucu1 /xah )l88creases?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines "loudness" of a musical no 1-0q4b/wh8yv9lat nt-hodl zte?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines the f8g4cn.cv xei an*-p)"pitch" of a musical note?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When sound passes fri;nkle t0b:oyb191 li y .lfz5om air into water

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Pressure and displacement waves arepv.h:n: uuvx1s q nqwh kskt (k*l016-

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the standing wave on a guitar string fa73ziq+x 6p5f-b. naqj/oocp zv0v7 and the sound wave generated by the guitar as a resujnf3 7c0opx vb-ia pq5 7/ov .6+zzafqlt of this vibration. What do these two waves have in common?

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a resonating pipe which is open att wmei 06.yr*)vvg9ll both ends, there

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider an open pipe of length L. What ara y+(+gxsjk9b4 gp 0rve the wavelengths of the three lowest tones produced by t(ygxk+ jspgra+v 4b09his pipe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in an open piperaz(/a2eh6d iyczd )/ of length L is 200 Hz. Which one of the following frequencies will not resonate in the /draca h6(z/e)zdiy2same pipe?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An open pipe of length xy xw1(1/eyl 7e3x gf )rfqt;gL is resonating at its fundamental frequency. Which statement irxxwy e)fy1e;qg(7t 1g/3fx ls correct?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a resonating pipe which is open at one end a*dgzb fs9u3b v rsw3)bx-e:;t nd closed at the other, there

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a closed pipe of lena1cf25b(;s s 5:j d4zaynmycbgth L. What are the wavelengths of the three lowesc5(4f m;az yyn5cssdb 1:a b2jt tones produced by this pipe?

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in a closed pipe of length L is 200 Hz. Which o+ 1xqec peny6l,ft x*(f the following frequencies willxpe l1cn,6t( fq +xye* not resonate in that pipe?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pipe of length L closed atog .968oss clt one end is resonating at its fundamental frequency. Which statement is cosl. ot6ocs8 9grrect?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person stands between two spea yml)rq;ec2 2b*0egz k/rix8wkers driven by the same source. Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of2 0xm2gqw*e z)kr/;8b ricely sound is 330 m/s. The person is
1.65 m from one speaker and 4.95 m from the other. What type of interference does the person sense?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to produce beats, the two sound waves shouk 64/jj 9ve4p4;2 egxotxtdnfld have

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two pure tones are sounded together and a parmfspir w ,7a37:p c(iuticular beat frequency is heard. What happens to the beat frequency if the frequency of one of the p37rmi s(iacp:,7u f wtones is increased?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Doppler shift exprgsze.(, i( s281 zkhh1p6 v,bhrhlgh lains

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source approaches a stationary observer. The frequency heard by themqiu o:q i5e4g ko8)8 70d44mytt/qfd2 owsda obser2egaoqs44 0ot dwu7qo8t 4y /f qimm5:dik8d )ver is

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source departs from a stationary observer. The frequency h)i; znj hy9yap 620wdaeard by the observer ia 6 ydyhn9; 2pi0)wzjas

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a jet plane were to double its Mg 1pl 5:aoew/qo p9 bxgi mu38dmq3*h/ACH-speed, its half-angle will decrease by a fact3*qmu1:3g9q5admp/gw pbl/ 8 eh oo xior of:

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The speed of an ultrasonic sound of f* -3jywapgwwop ojt1 ;x:) c+prequency 45 kHz in air is 352 m/s. What is the air temperaturepow w3gop t )yp1-jj ;xca*+w:?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the ratio of the speed of so48e lexh cd7a -rm3v4bund in air at $0 \; ^{\circ}C$ to the speed at $100 \; ^{\circ}C$?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a day when the speed of sound in air is 340 m/s, a bat:g */ f673mxcco azhjf emits a shriek whose echo reaches it 0.0250 s later. How far away was : */xfmj6gco c3ha7f zthe object that reflected back the sound?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You shout at a cliff, and hear the echo in 4.00 s. Thez:drivxi mlr6 9)b s lb8mu(k pc3by2ey98 j+3 temperature is $0 \; ^{\circ}C$. How far away is the cliff?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you hear thunder 5.0 s after seeing r u0cch:3 ca7 tkcrc/9a flash of lightning, the distance to thecrkcru ct/cc3ah0:79 lightning strike is about

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An echo is heard 2.0 s from a cl1k t7m5 ze o,r6ck7c2r8 0g +mkpcjqrniff on a day the temperature is $15 \; ^{\circ}C$. Approximately how far is the cliff from the observer?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a $30 \; ^{\circ}C$ day, there is an explosion. The sound is heard 3.4 s after seeing the flash. How far away was the explosion?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You drop a stone into a deep well and hear the splash 2.59*w o;s.1 7v af 3hakoiwe6)pf7rqjtn s later. How deep is the well? (Ignore air resistance, and assumf 7 eo;9)ksr fw7*pn qa.vw 3i6ta1ohje the velocity of sound is 340 m/s.)

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wavelength in air u 5yc g.dp 2c-tah ut79z7v/qfof a sound wave of frequency 500 Hz is

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound traveling in air atkh ps lqg8x 6kwrc, +s /.)on)n7i8hew $23 \; ^{\circ}C$ enters a cold front where the air temperature is $2 \; ^{\circ}C$. If the sound frequency is 1500 Hz, determine the wavelength in the warmer air and in the colder air.

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the intensit+wrji5y2 yif:pmyfs *y67 pb5 y level of a sound with intensity $10^{-3} \; W/m^{2}$?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the intensity of a 70-dBq*tag8f ( ed5jcai.a0sr+b5 x sound?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the ratio of the intensities of two sounds with intensitu. ,a0 qeql8,08fkf7sh4pmij imt:uay levels of 70 dB andf0mamq, eisup8ujl87 fk ita4 h,q:.0 40 dB?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity level b c)zgoogt/5+pu wz8ikh6 9b 0ey 15 engines in a garage is 100 dB. What is the intensity level generated by one e+5o o )9zwpubtkg8g/zec 0i6hngine?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity at a distance -s+uet2 x(wu cof 6.0 m from a source that is radiating equally in all directionsue2xscu( w+t- is
$6.0 \times 10^{-10} \; W/m^{2}$. What is the power emitted by the source?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity at a distance of 6.0 m from a source that is radiatrqg 6y x77bw;ting equally in all directqy6x;7g7wb tr ions is
$6.0 \times 10^{-10} \; W/m^{2}$. What is the intensity level in dB?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A barking dog delivers about 1 mW of power, which is assumed to be uniforlpfx+s;*.kmm t:d x )4ckp n3fmly distrim* :pxplt;cx.kdf34s+n )f kmbuted in all directions. What is the intensity level at a distance 5.00 m from the dog?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity level is 65 dB at a distance 5.00 m from l*3+ sobmv*jns 8 aif:a barking dog. What would be the intensity level if two identical dogs very close to each other are barki8b3* l s+f ns*aovj:ming?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At a distance of 15 m from a sound source 1 9q 2xv:avvg(i fgk7rthe intensity level is 60 dB. What is the intensity level (in dB) at a point 2.0 m from the source? Assume that the source radiates equally in all directions.7:q gv kvx 291(ifavrg

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The sound intensity level 5.0 m from a point source is 95 dB. At whaz g2 lkzd9(nwc326l zct distance w( g 6lzwln 22c3z9dkczill it be 75 dB?

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The third harmonic of a complex tone has a frequency of 1200 Hz. What is the fc000 sf61 umcsw8fnp pgbtltvw:8 x.7 requency of the fourth g7 n.wl 8xccpb 0ff wss00:mtu8p1 v6tharmonic?

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of the third harmonic of an open pipe is 900 Hz. What is the lentv18ch2 juaanbh)no4n ,e76pgth of the 81h4)n ,uabtnej6aco7 v nph 2pipe?

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in an open pipe of leng,f --ibe,np et 5-asyoth L is 400 Hz. What is the frequency of the lowest tone that will resonate in an open pip se-n-t,a,-ib y oe5fpe of length 2L?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An organ pipe open at both ends h ot52evv . 3s-oxyccy3as a length of 0.80 m. If the velocity of sound vt2o-.3 yxsce5ovyc3 in air is 340 m/s, what is the frequency of the second harmonic?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is in a room where the teus/jtw v2l6+v2-u s oxmperature is $20 \; ^{\circ}C$. What is the fundamental
frequency if the pipe is open at both ends?

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The fundamental frequency in a pipe closed at one end io /ya2bw5y t5os 330 Hz. What is the frequency of the third hart/y ao2w b5yo5monic?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the length of the shortest pipe closed on one end that uw 7k/ zxhv 8zvta4i606(anlq will have a fundamental f 0zlv7/z68xtaqw aku(i 6n 4vhrequency of 60 Hz on a day when the velocity of sound is 340 m/s?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is in a room where the tempef us8c. ykc+3qweb4* urature is $20 \; ^{\circ}C$. What is the fundamental frequency if the pipe is closed at one end?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is inz x71mvcc a,9n a room where the temperature is $20 \; ^{\circ}C$. What is the frequency of the second harmonic if the pipe is closed at one end?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A closed organ pipe of length 0.75 m is played when the speed of sound ig )u7hiwb,5u hh,akz.n air is 340 m/,wkzug hbui75h,a.)h s. What is the fundamental frequency?

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two pipes of the s8m3s35)a4ct cmad fxo(/ anqe ame length: one is open and the other is closed on one end. If the fundamental frequency of the open pipe is m f/no a3 (cs a)d8q3mcae54xt300 Hz, what is the fundamental frequency of the closed pipe?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two adjacent sources each emit a frequencybf cx)d;9pkf,ou+ / pf of 800 Hz in air where the velocity of sound is 340 m/s. Howfbo9/ ,x f;df k)ppc+u much farther back would source 1 have to be moved so an observer in front of the sources would hear no sound?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two speakers are placed side by side and driven by the same frequency oob7-;sc (mn ynfa56tif 500 Hz. If the distance from a person to one speaker is 5.y;bn5 c6(7mafintso - 00 m and the person detects little or no sound, which of the following is a possible the distance from the person to the other speaker? (The sound speed is 340 m/s.)

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two tunes have frequencies of 4u, g( 5kn-;sxihuuz8l40 Hz and 444 Hz. What is the beat frequency?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A music tuner uses a 53cr2x-r-9tauu0q c a l50-Hz tuning fork to tune the frequency of a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is t l rac39ua0 rcu2qt--xhe frequency of the instrument?

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wavelengths of the sounds produced by two horns arod o705 eniplvv -ud.;e 6 m and 7 m respectively. What beat frequency is heard when the horns are sounded on a day when the velocity of spv v0oe-n.id 5u o;d7lound is 340 m/s?

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The corresponding violin strings on two violins aei;z6)r d pd;in an orchestra are found to produce a beat frequency of 2 Hz when a frequency of 660 Hz is played. What percentage change in the tede)a rpi6zd ;;nsion of one of the strings would bring them to the same frequency?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An observer approaches a stationary 1000-Hz sound source at twice the speed t7k0o+ e8rbq g:gjt7q of sto87jt+g:0eqk qb 7gr ound. The observer hears a frequency of

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source (normal frequency of 1000 Hz) approaches a stationarya4fol mq(:pb) observer at one-half the speed of sound. The observer hqb: pl omf)4a(ears a frequency of

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound has a frequency of 1000 Hz. If a liistz6*m y c jhn1l2sz+t; qr)0stener moves with a speed of 30 m/s away from the source, what is the frequen)rynti0s *jchs ;qtz1+l6 m 2zcy heard by the observer? (The sound speed is 340 m/s.)

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A police car has an 800-Hz siren. It is travu3wp/ ytmgc* f8jk+h bv; ki6+eling at 35 m/s on a day when the speed of sound through air is 340 m/s. vmt++8fwy*hicbp3u 6jgk ;/k The car approaches and passes an observer who is standing along the roadside. What change of frequency does the observer hear?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the frequency heard by a stationary obs 4-weolo zow9jo( gycips9) 58erver when a train approaches with a speed of 30 m/s. The frequency of the train horn is 600 clpo98ze5 )-( yijow so49 gwoHz and the speed of sound is 340 m/s.

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling toward you at 120 km/h. The train blo4n6(uh*/t ec 93ig vv /leknecws its 400-Hz whistle. Take th*tk4elvc/ (3nu6evne9ih/cge speed of sound to be 340 m/s. What frequency do you hear?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You are moving at 120 km/h toward a stationary train. The train5cufbra(vylw3 8 u*+e blows its 400-Hz whistle. Take a*clwr(u3+y8uvf5 ebthe speed of sound to be 340 m/s. What frequency do you hear?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling away from you at 12mnv 2x zgkcqqx 9pkis3g)fe *v*,,b:/0 km/h. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. What frequency dm , eqkkgvsq 2x:z/*if*3gx ,)c b9pvno you hear?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling away from you atkk829us m 8 )uck yjnlx/h2;lt 120 km/h. It blows its whistle, and you hear a tone of 400 Hz. j;8k /u8ll)kh ks9umct2n2xy Take the speed of sound to be 340 m/s. What is the actual frequency of the whistle?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a train horn is 500 Hz. Assume the speed of soun vcru48z h2+kpd in air is 340 m/s. What is the frequency heard by an observer if the observer is moving away from the train wzu 4r+8k2v pchith a speed of 30.0 m/s?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a train hor*/ ou kr4(b(/yr5vnny-2i q pu:gw xown is 500 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer if the observer ixw:i5b/2ug nr * o(4yurp/ywk v(q- ons approaching the train with a speed of 30.0 m/s?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sonar is used to determine the speed of an obj36g4a yhqqxa( ect. A 40-kHz signal is sent out, anh(qg 3ax6a 4qyd a 42-kHz signal is returned. Assume the speed of sound is 345 m/s. How fast is the object moving?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The half angle of the conic56nwvgybq0 -dal shock wave produced by a supersonic aircraft is $60^{\circ}$. What is the Mach number of the aircraft?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A jet flies at a speed of Mach 1.4. What isp-q xpj4 pty 2wnlq,6uy: 4vaay5nq5- the half-angle of the conical shock avy -plnxynpwu,jp4 qq 562:yt 5-qa 4wave formed?

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Concord airplane flies from the United States to Europe with a Mach number:l w2 cxf6ige2) -+oq( bx,ga5lkaozk of 1.05 where the air lgcog iqkaox- ef6k:,) 22w(+lxb 5aztemperature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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