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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 fustz59 c;. jvealse 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 fastest ;y70kmz8giqb uv l bf1t w(07wthrough

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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 k:0 fn,o4zd3e yf trw1sound 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 velocitywfg)x0vpd20 i of sound? (Assume p 20xig) 0vfwdthat 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 200 Hz sound th .btg wmcy:av3 z:8wo0rough air is.wgw:830cabz yo m:vt

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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 4008.le. e/ kjn omryy/ho7m(x(h Hz sound, the wavelength of a 200 Hz sound in a 7hyy (oe m/hojnl.ex(8rmk. /ir 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 than 20,000 H)4ouri7 j.ro bz 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 Hz arex n6l*;jtirin gqd h8c7 ki;1( 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 se/q l .4uflwt8ource is emitting waves uniformly in all directions. If you move to a point twice as /ef4qw8ut l.lfar away from the source, the frequency 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 proportioaz0, 2jvvznl 4wd r*tgsd;8 l*nal 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 the :x xj-huk x:f,i .o,r j8l7mgasource is I. What is the intensitaljgi :j -xo ,fr7,x8u.mxk: hy 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 8vwuocjbl5 23 gl)n -xequally in all directions. What happens3l 2bw-jv 58nl)uxcog 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 frg9foygu94x ndjw t6v*2bi2swgl/k. .om a sound source that is radiating equally in all directions. What happens tg lbs.k/2j wg.now6gt9 * 2yv4udf9 ixo 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 increa8ozf;rm6 8dyf2d:o w mses 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 towarmop)/. o r2/)j/v7px l.duzcqe m2ag wd a speaker emitting a pure tone. What characteristic of the sound iru a mmlq)d)jcw/2p7/2oog.x /epvz.ncreases?

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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 music z2:+gbxisd6o 0i ,m46b 8wxeur)ycweal 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 musica-nr;1soyg vj; lk,xn7 l 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 wate7 pz .gv4,geior,h p:;1xteier

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Pressure and displacemea.na0 ri3c c oklfv+p591p;d unt 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 string and the sound wave generated by th+ld jaf8k 9 +bvcs5o(adu,k(se guitar as a rescl(5f,(+db a 8 v9ajk+os skudult 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 i vwn8czd1xy2 lv+y9ps 539ls open at 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. Wbrt/ ty tj mmc/4w)e4a-omm3 +hat are the wavelengths of the three lowest tones pr/a/)t 34 bcoyemrmm-wm tt+j4oduced 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 20vhd.q:8q yxn dkr,76,utn7 az0 Hz. Which one of the following frequenc,qy6rnq87 dtzvk da.,n :uh 7xies 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 yl v:lvw 7d3tew* l.xz6hd1pt:2 ov0 jfundamental frequency. Which statement is co1v*el wl76d2lt ohxvy dwj pt30.::zvrrect?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a resonating pipeudyo *lxn l1c4hv;65r which is open at one end and 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 length L. What are the wavifu; fc,vn0- s5 xomi2elengths of the three lowest tones produced by thi,-;xvs5mi0u2 ncff io s 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. Whice- m0; qtide 5pdu+9v7m.*qays3vnpah of the following frequenciessna-tmqa d0;+v5. vpp d9 3 7q*meeiuy will 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 at one end is resonating at its fundaep4n15 uf xqff2.w 6trmental frequency. rp25xqe1. 64f funwf t Which 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 speaker :2bellv() r: kr2 zdduproduces a tone with a frequency of 200 Hz on a:lv 2)2drdk:bruzle( 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 sound wf bu)x sen)9y*aves 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 bbbd7;u+aqe o7 eat frequency is heard. What happens to the beat frequency if the frequency of one e7;b a q+d7oubof 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 explain.1ebng ahon-72 ) imm:,79hqlpbvcv ns

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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 )3cg t3wpaa17k q2vd 2snrm6tstationary observer. The frequency heard by the obseag7kd3tq2 m1 v3)rc 6p tnw2asrver 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 c/ 99kvnhz6n ufrom a stationary observer. The frequency heard by the observe9kh 6zn/uv9 ncr 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-speed, its half-angle will decrease by oql2j0 )zk8 urkgz)) ca fact k8)k2)lorj zzcu)q0 gor 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 u+r0 )(*whuycxf kf2o*i*sah45 kHz in air is 352 m/s. What is the air temperatu(f0 +**ko uis2*y xcuwa hfrh)re?

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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*gum*- mn+vxd1o /5dri of2 ja 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 emitsd0q -0k,dq.j62oos hqs 4ddux a shriek whose echo reaches it 0.0250 s q.d4 dsu60dd, 2jhsqk- 0oqxolater. How far 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 echo in 4.+ue5id1y g5ge cekm/400 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 distjl7-iv2 27bcyv:v 8jn moc ng;ance to the lightning strike 2ij7cv 8cm7 ; lobnvn-jy2v:gis 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 g, r rntj sspm- v:xraccw2 e,k35ea,b0s-,/qfrom 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 later. How deeku)etrmjs4n ezrjfok 8og*zl 1t 0wt2(;7d 96p is the woeft r4okgj ltz;*n9wk1)drsmu(t608 zj2e7ell? (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 of a sound wave of freqk o-audv*4)tf . w)zvbuency 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 airgyj )i21ke)k v7ml+us at $23 \; ^{\circ}C$ 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 with intensity x)7* 8lt/rwbm ttw5zv $10^{-3} \; W/m^{2}$?

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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-dyb4rno/.eo e .ddmry 4v8 t4mf* q67vcB 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 intensitio0z n l.:sefw.gzp 8;xes of two sounds with intensity levels of 70 dB az g n0;wfs pe8..x:zlond 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 en0;hqrk.f cob) m jfj.0. /gnqsgines in a garage is 100 dB. What is the intensity level generated by one ehb/ 0.kfqjjrn;. cog.q0m)s fngine?

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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 from a sou 4z(e;pd:u ,h icp9pmurce that is radiating equally in aluu (ip ;zd:mh ecp,p94l directions 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 vp7a;cepu :4 v2ylxe/2 tno v(that is radiating equally in allv2 xoee7ctn(24ulpp v/a :;yv 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 7xk,qtqxkscox rfa- ./3w51bumed to be uniformly distributed in all dir5qacw7 , k3s/xxox1kqfr .bt-ections. 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. vk8u q)b :yt4pq.av4grux5m ( What would be the intensity level if two identical 5qvrq.bg:(ux) yaukmp4 v4 t8dogs 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 x,y0 p7n/2ct zr- cenxintensity level is 60 dB. What is the inetnc2x zxy7c /- r0,pntensity level (in dB) at a point 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 sou q*..,g4z9ft b 9 bdjjffx,jt tyov/u/rce is 95 dB. At what distance wy*9zqbffgu.jtttfojb// .,jx d49v, ill 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 thegx.j g3 ;vl70 u:tsuyf frequency of the fourth harmon73j:s v;fxglu ugt.y0 ic?

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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 Hcf1tdzc.z,w0 ia6ph*n.fy i k4)i/z rz. What is the length ofi6 0)iznwfpca.4/*fi ztczd h,ky 1r. 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 pikte1 4adfsud+ 7a l uaz1rm1-)pe of length L is 400 Hz. What is the frequency of the lowest tone that will resonate in an +rk4 du -esdat ) z1a11fulm7aopen 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 velocity ofw(iyg guxv3+l i+gdxv q4)v5p*5c;u p sound in air is 340 m/s, what is the(udypx;4vp +i5 )+ gv5 *lgiuvgqx 3wc 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 roo)fq0n hm qec6)m 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 frequency in a pipe closed atrs g 5fr*dy g*;7xi0is one end is 330 Hz. What is the frequency of the *fxgrirss7y id*;5 g0third 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 pipm:bhzq:/tb4 rdyc* 4qe closed on one end that will have a fundamental frequency of 60 Hz on a day when the velocity of sound is 340 m/s?:h:dq byzqmbt/4 *r c4

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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 rod+voxl9t- w +mom 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 in5v t;qi6w: 789) xrbzaio xbts in 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 sz5ja/p uq53 lqpeed of sound in air is 340 m/s. What is the funda35z5jpu/aqq lmental 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 same length: one is open and theb159jfy l5 dj8 c47e,6qskpbmu bge+h other is closed on one end. If the fundameb 4m5b6p,5 jd gsu7 ce8j+ qy1f9hbeklntal frequency of the open pipe is 300 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 frequency of 800 Hz in air where thez :g /n0ehs)f7tgqdx0 velocity of sound is 340 m/s. How much farther te7s0h :zfdqngx/ g)0back 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 bybk/ oj-)u:djzag43x 9vdjo t-qr10si side and driven by the same frequency of 500 Hz. If the distance from a perd-jx az k1t o r9 /ji3qjs0bu:o4-vgd)son 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 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 440 Hz and qmxsl7oa *3ds((+cu k444 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 of a 4.+czwlfcg1 rqbn m8o5 i,u.gmusical instrument. If the tuner hears a beat frequency of 2 Hz, what is the frequency of th c4 qo.rmu5li,bzn+fg. g 1wc8e 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 sound 3 xmfl5(ve1upsz0nm2s produced by two horns are 6 m and 7 m respectively. What beat frequency is heard wh(uvl5 x12n3 memzfs 0pen 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 aredw9 9gio11vyu found to produce a 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 vdo1iguy91 w 9to 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 twic;hp9mm)j/(rlb 1u*nc - jb xfge the speed of sound. The observer hears a frequrpg m( ufjbjl/b;x *hmc -)9n1ency 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 1u)0wxwh.(pl( h2etq*wou ce.000 Hz) approaches a stationary observer at one-half the speed of sound. The observer hears a free.0clwx.uuhph*e (q) wtw ( o2quency 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 ;g.sjv;,n/zjmde acf w1w/ 9swith a speed of 30 m/s away from the source, what is the frequency heard by the observer? (The sound speed is v;/wj w gzse/dmja.f1;,cns9 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 800xfxt8x4 sxy;bjx* 4y j-d9zk 9-Hz siren. It is traveling at 35 m/s on a day when the speed of sound 9 x- xj 9dx84tz4y ;xbjkx*fsythrough air is 340 m/s. 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 observer when a train approaches wi; lxdak0p dk.+th a speed of 30 m/s. The frequency of the train horn is 600 Hz and the speed of soulddk ;0k p+.axnd 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-.,efwfzvhka1 mr-e-do /xe) . The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. ewex- -)rvadfo.z ,mkeh/ f- 1 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 stsjlxo+n+i zd v ry(7-6sflv8.ationary train. The train blows its 400-Hz whistle. Take the speedn6yx+z o+sslvrflji8v(.- 7d 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/h. The train blows itcy91 j9y, wm tt:u-hjcs 400-Hz whistleyu9 thm9jj c,cw:-1t y. Take the speed of sound to be 340 m/s. 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 at 120 k d g9.9ngy,hrzm/h. It blows its whistle, and you hear a tone of 400 Hz. Take the speed of sound to be 340 m/s. What is d.g,h nz y9r9gthe 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 Hcebsm quxx r994z.4f;u8n:j wz. Assume the speed of sound in air is 340 m/s94mc zf 4 b .uqwexr:9xn8;suj. What is the frequency heard by an observer 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 train horn is 500 Hz. Assume the speed2nba)ni(p ,y.ups n 0q of sound in air is 340 m/s0pnq( )us.n ai2, ybpn. What is the frequency heard by an observer if the observer is 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 object. A 40-kHz signal is sent otum5f (mfx/rb432hqfut, and a 42-kHz signal is returned. Assume the speed of sound is 345 m/s. How fast is the object moving(b2f qfr4 m3/txufm h5?

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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 conical3lnyj ahjc+.5df 05pjzzs-1 f 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.ai+lt kv-rw* 6l4 o*ws What is the half-angle of the conical shock wavelvort- a64*wsil+*k w 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 fzj::fg:d m1l 6-k zdzf nfz+w(2* d4fscv8gn jrom the United States to Europe with a Mach number o8 *dg(f:n fzdj+-2wdkgvfczl 1ms:j6 zz:fn 4f 1.05 where the air temperature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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