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习题练习：Physics Unit12: Sound
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 70 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://tiku.one/test70.html
 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 statem0w w4yneqr)2 ti.em4 dent?

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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 fastet qj)(0o-1bu9sdaqfs2 or g( fst 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 steelcjnsqg/ 2)nm2lp1th1 rod?

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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 airyt ; sk;v,ec 0pj-1wt; jxfe6jn*lsd5 increases, what happens to the velocity of sound? plsc-6yst kewfj, ;t n ;x vdjej015;*(Assume that all other factors remain constant.)

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the velocity of a 400 Hz sound, the velocity of a 200w o (d0q+53tnam0r mga Hz sound throua5a03mwro(g t0 +mqndgh air 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, the wavelength of a 200 Hz sowag7 m cqt, (htaea92:und in air eam t7 ha,(w g9a2tcq:is

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with f;5 r*r8rkyh qdrequencies greater 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 witn k9j2g4 ythm4h frequency less than 20 Hz 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 emitting waves uniformly in a2iuvn6n* r aeg2uf*7ell directions. If you move to a point twice as far away from the source, the frequency2g6v inn*u*2f7eruea of the sound will 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 waves, intensity is propoz-h9gr.rka* w op,sigj : d),rrtional 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 distaya6cu r1bs*r9 nce d from the source is I. What is the intensity at a distance 2d from the source?9 6ry a1surcb*

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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 radiatinylgg 2t45.pi/f b)wing equally in all directioni)5g/ybw4 n ltf2pig. s. What 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 sound source that is radiating equally ks9qak /r mqi1e05+zzin all directions. What happens to the intensity lerq0+qkz59m/ e s az1kivel 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 increa/)aah22op fqavvkf e-i*,n/cm+s+ na ses as a sound becomes 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 emitting a pure tone.ma 67phey 4fprgkqp;ma8 0pk c:v .d6l5mqb3, What characteristic of the sound incrkm,yk5mfde6 cbr4q07p 6 p;lav3 :8phgpmaq . eases?

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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 musiu+(lu+bjxlvikg 1:sbs w4u14 ske7 -jcal note?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines the "pitch" of a musicte;-x:c.j b l*w lk1saal 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 from air into wagpffp 115o *;1l/ o bk)ols pyi+kokf+jp z+a)ter

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Pressure and displacems wb7cyrq)g8. ent waves are

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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 stp mstj.tn(:.tring and the sound wave generated by the guitar as a result of this vibration. What do these two waves h.(m:t jp st.ntave 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 at both en / b(+vmezh9wdjihs,8ds, 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 k-2am-+pw lgo laqs/ah-lu(-. What are the wavelengths of the three lowest ta-ks2-pm+w- ( q/go hlal- luaones produced by this 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 pipe of length L is 200 Hz. Which one 51eencr0fl fh /ofeuyg7c9))ofhcceeurf1y7l 0f/ g9 )efn5 )o the following frequencies will not resonate in the same 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 L is resonating at its fundam:r *c.yaus(qt5kfg htngpt4 +or;:7g ental frequency. Which statemens5+r q( gug*p4ok7y.tgtnfrt ::a; cht is 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 and closed at the other, therem a6cw f:b. q1gl43ltt

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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 length L. Wn(g-q:y z +b;h nx.avphat are the wavelengths of the three lowest tones producedxnyvp-g. bq;(+hn :a z 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 of ; s70t n ef8lmud6;xyithe following frequencies will not re6y f7t8snixl;; u0 demsonate 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 at one end is resonajbjj n u1w m6c zi*9:jb,wnca;+e, u-kting at its fundamental frequency. Which stati ujna *n-:j j ,6m;,jczbe+k91uwbcw ement is correct?

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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 speakers driven by the same source. o-i7jycu gi ,: Each speaker produces a tone with a frequency of 20o- :i juc7ygi,0 Hz on a day when the speed of 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 soudw1(2em c.p lxnd waves should 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 particular beat frequency is( qttncl+ (7u 9z:kk*byruv7-xm,f t vjl7co- heard. What happens to the beat frequency if the frequency of one of the tones is increatu,7ov+ruyf*l ztnb (c-k tck- mq j :7(vl7x9sed?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Doppler shift expgtr pm3m 9q,p)t (4dqflains

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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 hesn:30h e1qjw mard by the observer isn mq 31s:wehj0

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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. Theszr.u;dum 2ugb5 0f8w frequency heard by the obsewu . sm0dg;rzu2u 8b5frver is

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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 krs61;kptev s c y44k2its MACH-speed, its half-angle will decrease by a facy6 s4sev1;kp rk4t2k ctor 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 frequency 45 kH ow:l4i-jsd3-gtw/ hkz in air is 352 m/s. What is the ai--shw wg djli3ot 4k:/r temperature?

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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 s; jso:7 rwh-hsn(/ authe speed of sound 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/sn4/7mge e :+pp+pehqr, a bat emits a shriek whose echo reaches it 0.0250 s later. How far away was the object that regn/7pe 4rehmp:e+p + qflected 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, and8) g;v+v esq5 jnnotw6 hear the echo in 4.00 s. The 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 a flash of lightning, the distance toaa4ze /nns96 e the lightning strsanea 4en9 z6/ike 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 2.0q e,r s;:ec7tq s from a cliff 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 2.5 s -wa:wvttp:2, b6o zyf eq2jd 9xyg0,blater. How deep is the well? (Ignore air resistance, and assume thgzybxy26qa:,vj, 0 p 92wfdb totew:-e 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 of a sound wave of frequency 500 Hazjxg( ;y)aj3z 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 y: 84mmv65ekbsbtg6 kat $23 \; ^{\circ}C$ 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 intensity level og pn5caq6; m)or1x: rxf 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-l00yq z5b x 5.sla:p)gghgm0mdB 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 intensin /hbu-/f 9iauty levels of 70 du/ nua/if9- hbB and 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 by 15 engines intxsh ed/9w2.d7z5l ef a garage is 100 dB. What is the intensity l9sle5 hzt 2.d/dxew7f evel generated by one engine?

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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 of 6.0 m frod/3 p obb y +ig .ifmqem;q4cq*0-bx0zm a source that is radiating equally in all directioqm ;bzbc dx.eqm -4f ig oq3+by0*i/p0ns 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 ak ph w4*hph*wvfdvph 5,7+m4 a source that is radiating equally in alkp,v4h 54vh*d*hwh+pw pam f7l directions 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 ass;88m4z bju6x6f zfm 4odgi mh*umed to be uniformly distributed in8;6zfzmx4 dob4imgf*h mu6 j8 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 a barking dog. Wh* vo o,ke g5x.lr6j;giat would be the intensity level if two identical dogs very close to each other are barking? .og*r,ejxogvi6 l5 k;

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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 the intensity level is 6oqnl:tdkx),2 . 9q e9qbuqm*z0 dB. What is the intensity level (in dB) at a point 2.0 m from the source? Assume that the source rndq99 q)zm,qlt 2.bok:xqe* uadiates equally in all directions.

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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 ;bxm4ev l*fpeyiqc7k 0*zy y598bj 5tis 95 dB. At what distance will i m5z8e v7tfy4c50y bjkp*x9yqi ;ebl *t 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 fr,ad1.g cpp 8 yv/jpm,jequency of the fourt vcpdj/,8a j .pm1gyp,h harmonic?

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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 thegz,sw4m32q b t length of the,b2t4 wzgsq m3 pipe?

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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 mh4,i 2yuna*e length L is 400 Hz. What is the frequency of the lowest tone that will resonate in an open pipe of uehy*ni ,m4a2length 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 ,,em g,t/qkk ziwm51j(bz 9 rvboth ends has a length of 0.80 m. If the velocity of sound in air is 340 m/s, what is the frequency of the second har,je,mgk,v z5( wrkbiz1m9q t/ monic?

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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 wh0 md8-xbtk 5xkere the temperature 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 rq5i- vt-8d ycis 330 Hz. What is the frequencq-rv8i-yd t 5cy of the third harmonic?

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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 /iao.c bl,u:fone end that will have a fundamental frequency of 60 Hz oniaf l/o,. c:ub 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 ry gy -av* vi(a6q5a,yroom where the temperature 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 in a room where the tel3qrcq4hh1 6emperature 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 0.75mtbu*.5b bg79m5 dtck m is played when the speed of sound in air is 340 m/s. What is the fundamental frequt9 kubt.7g55*mmd bbcency?

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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 same length: one is open and the other is closed onre b26y g9qsp5ex 8nz14s; aijkf4q;p one end. If the fundamental frequency of the open pipe is 300 Hz, what is the funda;rk2 essn64x4e fi 1j8;a 9qbpgyqp z5mental 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 cd wv27me r1nhslq*-9 emit a frequency of 800 Hz in air where the velocity of sound is 340 m/s. How much farther back would source 1 have to be moved so an observer in front of the sources would hear no soundc* ehr72-91swdqmv n l?

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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 sabynaoe/( o+y7me frequency of 500 Hz. If the distance from a person to one speaker is 5.00 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 3(+/oao yney b740 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 440 Hz and 444 Hyj :iplgg 78(k;s b0,c yesgm1z. 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 550-Hz tuning fork to tune the frequency of a musical i,tx lt c0e+s geeie))8nstrument. If the tuner hea ige le+ecxt)t08se), rs a beat frequency of 2 Hz, what is the 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 are 6 m and 7 m respectivelybcl 1f7*o,2, )pm9li:ce i pphbrn,aoh ,d8 by. What beat frequency is h mbiebclp:,8o,b p*)r ,,haoyhc2 9fl pin1d7eard when the horns are sounded on a day when the velocity of sound 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 in an orchestra are found tgqncfm.) 3u0ro produce a beat frequency of 2 Hz when a frequency of 660 Hz is played. What perceq0)mu.g3r ncf ntage change in the tension 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 statdftg(4) -n; 9dduxrg qy) jd.wionary 1000-Hz sound source at twice the speed of sound. n r -txj4gwdgd.)u9f )dq(d;y 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 stationary observev eejy/d ncpyqf5:a*6m;i5o8 r at one-half the speed of :pj* yq;5a m/fd onci6 5v8eeysound. The observer hears 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 listener moves with a sj ;.3l gjg0m6xydn3xq t-)kz speed of 30 m/s away from the source, what is the . ysjx g6dk -n3;l3qtz jmx)g0frequency 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 traveling at 35 m/s on a day wbcs9 h5extnf.b19-. c t c) wj:zp+fnahen the speed of sound through air is 340 m/s. The car approaches and passes jn 9b.bpcn1z hw fs:c-fe5a).9+xt tcan 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 observer when a train appro,ykaud 13xbapky l:.;aches withx3ap1akku;y:ly db ,. a speed of 30 m/s. The frequency of the train horn is 600 Hz 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 blows iudjyd dimcb;.;( f( *w f,qjw1ts 400-Hz whistle. Take the speeq( ( .;yjfw d;*fdcw1ium b,jdd 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 train blows its 400-kxkr3 :865g vve qar1cHz whistle. Take the c5 63xv 8rvq1:kkerga 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 120 km a ( ;hejyurheyyo-i );3;qtx vl87y4w/h. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. Wheyw4tu la jy8 ;hyq(7ey xri3)vo -;h;at frequency do 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 at 120 km/h. It blows its whistle, qwz3ri8 *nn. en sk7)hand you hear a tone of 400 Hz. Take the speed of sound to be 340 m/s. What is the actual frequency of the whistlze)wh 38* s.qi7rnn nke?

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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 500yns b :cd /v ;yc/-ws-oml4bt9 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer if the observer is moving away from the train with a speed of wdmy o t cbn:scs/y;l/vb9- 4-30.0 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 horn is 500 Hz. Assume the speed )v28kmeer + juof sound in air is 340 m/s. What is the frequency heard by an observer if the observer is approacr8 mkvju+e2e)hing 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 object. A 40-kHz sigrqw ( +p0xff9fnal is sent out, and a xfwr+ (f9fpq 042-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 conical shock wave produced )w mua1 o *axd-.altg: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 is the half-angle of the conical sp3 m4p ndb)x5p+raq;yhock wave forpqyn5 bxp 3;pd4a) +rmmed?

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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 Eur5 6wb7q;ib4irhlg9dr 2 zfwsuoi37v5ope with a Mach number of 1.05 where the air temperwi5ifr7 ld4g3 75h s bio;9zbuqw2r 6vature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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