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习题练习：Physics Unit12: Sound
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)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://51fly.win/test70.html
 作者: physics  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 istl 3c )za1p+am4dyfyuly 3rawbt )-n0 dw)4 :s a false statement?

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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 fas:2iszbf p/f: xtest 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 v:zg+m bvdp-;bo5x *l.vr*c bsound in a steel 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 air increases, what happens to the velocity vx2f:za+ar .)hkw9jso 9pdto 2( i,wvof sound? (Assume that zhat,xw99+) rodj 22vosa wpk(.if:v 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 200hud( ) fjgh0r2 Hz sound through ai2ru)0jgdf (hhr 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 2 dgz:a2 7xnsh)00 Hz sound in ):h72ndzxs a gair 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 frequencies greater 9cmpaajt8p+56u uf/m2w j7unvc6;(y y:qw yhthan 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 frequwii f+okw*9; kjw- xj.ency 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 all directionsdec.d+rrs vl-5uma6+ . If you move to a point twice as far away from the source, the frequency of thes5+curde6-+l r dv ma. 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 proportional to3yxryikl 8:xgtbt0*/

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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 distanb vakibg-+ vqi5v(a .) r0bnhr:u pn5;ce d from the source is I. What is the intensity at a distance 2d from t-.nrb(p0bia 5) k5v+i: ;vhvbgarunqhe 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 a 9.toea15dsfnq, dvqo67i7m equally in all directions. What happens to the inteft5 e 7mq97davs a1.i6d,nqo onsity 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 /leha:6g ly tlu0egef4t- 36d1g( amvsource that is radiating equally in all directions.6et6aae/ :dgfy uvl0t 1-(g34m gelhl What happens to the intensity level 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 be:p/ mi*fcwpd;b9 2t wjcomes 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. What charav) 1 c uo ,ll2s3/t+)yiyphbrzsyfx79 cteristic of the sobpx9c)7+vhlo /fri,l )13 sz y2utyysund increases?

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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 mus4zcp tad)r3p /ical 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 musical no(ux: ldz6u-bqf ,a l4s5hjfgv5+w e*cte?

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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 iv k*2pr q/;sdwm 7v01qf-bhvjli;,prnto 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 wa ,jfi 8z. p ggy+0g amsry4je(yoan*) m2o1xn/ves 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 n .w 2lpf02bsgstring and the sound wave generated by the guitar as a result of this vibration. What dop22b .w0lgfsn 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 k2k zp/vx:r *) xjvhj4at 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 are the wavelk62.nnw j 9iiaengths of the three lowest tone 9w.2 iai6jnkns 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 r*rt64h xf 3 tqbkgr:9in an open pipe of length L is 200 Hz. Which one of the following frequencies will not resonate in thb q gxht49:6*rktrfr3e 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 fundam6s*c 631t4g dih6uzdo lqxo8q ental frequency. Which statement is corredcs id*l6 hxg3oz64t uoqq816ct?

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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 closeddd m.davr)4;v wlu7b8t 1c0lh(xd7 rr 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 length L1 e6f 2 -kzn-ld;jxsj fwm+j1y. What are the wavelengths of the three lowest tones produced byjk ;jf j-l+zfms2-eyn1 16wxd 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 resonat a-h rekko;oa* z1(h-de in a closed pipe of length L is 200 Hz. Which of the following frequencies will not re da*o1-orae(hz- kh k;sonate 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 resonating at its fundamental f- q kjxdwm 7)*: ic-m-yhsu9dvrequency. Whic-v: d9-ky x-q*m) 7cu msjdiwhh statement 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. Each speak yodp+fd0pw4m n32ctnt8c* 3a er produces a tone witnad 308ot w2 ndpc*myfptc+34h a frequency of 200 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 syvge.pp+qc; 3ound 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 partxev3 yfpbjk5fj 6 q,8drl65 /picular beat frequency is heard. What happens to the beat fre,dlkx5f6 pvrj y/ ef56q 3p8bjquency if the frequency of one of the tones 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 ex 1kyv2x3 )6n 6dds adl/*oknowplains

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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 hhw2ji-;/f xha stationary observer. The frequency heard by the obserh2fwhx;j -/hi 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 frf p( a.btuqg,+om a stationary observer. The frequency heard by the ofg,.t(q+pbu abserver 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 its MACH-s-0*yzk) k cdkfqj/p db4k(j i/peed, its half-angle will decrease by a fact0 /)zfpkkjdk(b*k/dij 4c -qy or 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 4hf0n :4wfgqi-vlbn.*t vm/w /5 kHz in air is 352 m/s. What is tlhw/:/* 0- gnfnvvf qi4.wbmthe air 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 the speed of sound in a*sqc7a y6d1hx v20 dyair 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 ;eh e0z4f(n 4k b3bsazm/s, a bat emits a shriek whose echo reaches it 0.0250 s later. How faazb4( ;hnb3 ef0z es4kr away was the 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 echoo s4z0r3.dg3z* adr2v lq2klq 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 distan xnnxo7a0 )6guce to the ligog6nux7)0a nx htning 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 cldtmo1f t-wx(lo) d1z 3iff 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 d1xo b 93btabn6a9zjm4 eep well and hear the splash 2.5 s later. How deep is the welbtmbx oazbaj391 n469l? (Ignore air resistance, and assume 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 onu*:0ea ,a9 1 qw rblz+4xkoixf 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 aoqx,2xpb s flbe1 weg3;e24+gt $23 \; ^{\circ}C$ 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 of a sound wi73eo8wta;gg zkla .r)th 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-dB 6;dxxpzk p*1qhbdh/ 9 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 intensity levels of 7 p*gbxhcodpg c;, )hd x:7.ss60 dB and 40 dpxb6d hg dcoh, g7;x*.s):scpB?

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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 in a garage is 100 dB. What is the s8+p a1j+ oirvintensity level generated bys+r+o vp1aij8 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 fc4 ; (sie;ja(zzkls5(2 fhm igrom a source that is radiating equally in all directions i;mli( g e;zsk(hc4sijf z2 a(5s
$6.0 \times 10^{-10} \; W/m^{2}$. 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 p w,5405y ezev9c jsgg nwt;:xfrom a source that is radiating equally in all directions i :5jp5z cvy0g 9xsgww,e4tn;es
$6.0 \times 10^{-10} \; W/m^{2}$. 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 po(k kl: bz4or:xwer, which is assumed to be uniformly distributed in all directions. What is the intensity level at a distance 5.00 m :x(krlo: kbz4from 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 rdo nl; mk ve50c0am-.a barking dog. What would be the intrnvmol.k5-0; em0cda ensity level if two identical dogs very close to each other are barking?

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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 intensyhj(j ucva*+5 ity level is 60 dB. What is the intensity level (in dB) at a point c* yauv5jj+(h 2.0 m from the source? Assume that the source radiates 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 is jrf.- r 5pznuvd4r4ix8m* 5lbj9: l zm95 dB. At what distance will jj*9 dfr8mx.r -5 4zbz5i4pmnvu:lrl 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 has6qx; aiuivq xa0;i,: rdt3uf. a frequency of 1200 Hz. What is the frequend.0v3xtixair6 u q q:,;fa; iucy of the fourth 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-nz- /sw7/cfjjovg 7s 900 Hz. What is the length o 7j v nj7sz-/-sgw/coff the 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 l n,l q;js,xa(vength L is 400 Hz. What is the frequency of the lowest tone that will resonate in anl, j;n,xqs va( open pipe 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 has a length of 0.80 m. If the z 9-dai x.wqv;velocity of sound in air is 340 m/s, what is the frequency of the second aq-.i9zw ; vdxharmonic?

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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 ro 1 yjd9yn,tcds +b,j6;dfcjs4om where 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 frequencz x+ hk ;7skm8fz34jszql-.x py in a pipe closed at one end is 330 Hz. What is the frequency of the thirs-xz3sqh7;z4k xml f8zp k+j.d 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 sho*bpzf 7v4nwf- rtest pipe closed on one end that will have a fundamental frequency of 60 Hz on a day when the velocity of *fw-fzpnvb4 7sound 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 temperature g qpho)49 s8smis $20 \; ^{\circ}C$. 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 whereqc.sgl3hnb ;+u jz,b1; s,xthkmz8c 5 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 orur ,ha.x1 vj6f sound in air is 340 m/s. What is the fundamja. r,hrx16u vental 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 sa)9 putn31xk d: vwv;lcme length: one is open and the other is closed on one end. If the fundamental frequency of the open pipe is 300 Hz 3l ptvwxc1v9ndku:);, 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 frequency of 800 Hz in63w)obbpyqp(cn/nn+,m7 rv u 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 +roqncvbymb7 np)6 u wpn( 3/,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 ivl9pw18q 0/ et kt0lbby the same 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 thepql0e1 ti/l tvw8b9k0 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 frequencbohb/s4n5 8t.jbf cl +9ou6rf ies of 440 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 550-Hz tuning fork to tune the frequency opk9 jon/f pd.3f a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the frej9d.f pnkp3o /quency 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 3m9b y 1+poidwrespectively. What beat frequency is heard whwydb3 1+ i9pomen 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 strin scvpt0cf ;1qu cw) yfqgk,0b2ozo3+/gs on two violins in an orchestra are found to produce avs t+pucb0,0cq2)yfo f zgo /wcq1;3k beat frequency of 2 Hz when a frequency of 660 Hz is played. What percentage 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 jfk0 4 ci)ym uap-7y,vstationary 1000-Hz sound source at twice the speed of sound. The f 0 7vpcmkyya-i, u4)jobserver 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 freque lc0ft e9yb 9*3uu)trsncy of 1000 Hz) approaches a stationary observer at one-half the speed of sound. The observer hears a fref*er) 9c0s3l9ytbu tuquency 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 ofp:;is lnsjeyi kc*4 36po83xa 1000 Hz. If a listener moves with a speed of 30 m/s away from o;y4 xi6nk *3pps:sjc iae3l8the source, what is the frequency 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 travnhq;a 1l+pyule9 2tp 3eling at 35 m/s on a day when the speed of sound through air is 340 m/s. The car approaches and pas1ye;2upaqtn9 l h3+plses 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 frequencyaz-)fr-3h l;z +hf 8ghdwfd x0 heard by a stationary observer when a train approaches with a speed of 30 m/d+80g- fh h w-xlad3)hz;rf zfs. 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 towin.a qffebff148lb1 * ard you at 120 km/h. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. What frequency do y.e1nf f8bfa4qf 1*ilbou 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 traind* ,qtwm vad)-. The train blows its 400-Hz whistle. Take the speed of sound t d)q*a-dm,v wto 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/h. (/he 7 lpnv t6uqr:c;p The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s7uq;h( :crt/p nlpev6. What 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 ab2efi,so k., ct 120 km/h. It blows its whistle, and you hear a tone of 400 Hz. b,cek,is.f o2 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 il/ f abg+dsw 80 :tbj8ierw65is 500 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observejwt f0adegws:r/b i58bl6 i8 +r if the observer is moving away from the train with 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 trabefu3 6d.0s /0ev wyetin horn 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 is approaching the train with a speed of 30.0 m/s sfd0uv e.b03te 6y/ew?

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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 5ye skb5,x h7lan object. A 40-kHz signal is sent out, and a 42-kHz signal is returned. Assume the speed of sound is 345 m/s. How fast is the object movinge5 y5khxs l7,b?

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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 by a supersonic aircraftmf5(0 gpuvfh + 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 b9n i 48lm)bxn ii*p4vdb,f71c+ bumv1.4. What is the half-angle of the conical shock wave formedin4)4bnbm7u vipv mfc *dx9b i8 l+b,1?

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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 numb37 ov663*pcbtnjpswd,j.xm)dtv p j5er of 1.05 where the aipj .dpd*nbc tsmopxv3w 5 6v)tj3 ,j67r temperature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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