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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 statement?)knyba 8;+czcw3 jk, k

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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 c iud)o-,b rb8 bk:4upoonducted fastest 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 z+8k l-fr4*rz qasvd ,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 ha3 mhcxc/hfu 2i60t eo9ppens to the velocity of sound? (Assume that /2 6utmecoihc9f0x3hall 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 velocitg g(wbs9 m5d ewd705aty of a 400 Hz sound, the velocity of a 200 Hz sound through air is(dm0ged7 bag5 9wtw5 s

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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 7g fzzv,(s9 uzd85ap tHz sound in aisv9uztfpg8d5a 7z z (,r 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 Hz are ca5mzjk;)z/ m89w sa fctlled

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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 20we mimj5+o5kb va 5ywd*zg8/qt3e+q 6 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 fj. yb*qm / *dgtp:v8his emitting waves uniformly in all directions. If you move to a point twice as far away from the source, the frequency of the sound will tdh8*/pb: mgv jy.*qfbe

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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 proportiona tj.mymh 3/0nml 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 s icd 4hnr03wxl o-unft;c+q 4-ls .k1mource is I. What is the intensity at a distance 2d from the so-- sxftr mnw1 luqd;4ikho04cnc3.l +urce?

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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 ajz*xp87a hu iob3 3/qm sound source that is radiating equally in all directions. What happens to the intensity of the sound? It reduces t oa/7 8h3qbjmu px*z3io

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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/ kw 6k+t*6rfs z5nqqz a sound source that is radiating equally in all directions+5/k*q q nwfr k6ts6zz. 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 increa iazi8sftij s5xin28n;wsq*)/ . 5ur nmtcj(.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 towa:g1 8yxej;+dk n8h a han8i(nurd a speaker emitting a pure tone. What characteristic of the souu1 h8;k x+eynhn8anajd( g:i8nd increases?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines "loudnessu.gf j ftj6;kj *ml46z" of a musical 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 yv-r b, l)a9dga 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 from air into water*cz/pl3ease +

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Pressure and displacqf jlh7q*q,j /(ghsdl,;5ctlement 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 stri*3uil3wxw6; 3 sx8v*tziy cdcng and the sound wave generated by thec3zy* ct3i 8ulwd6 v w;*ix3sx guitar as a result 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 at both ends, ty z*i-lotx3 2y:v e3gohere

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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 wavelengths of t4b wirhv-kj9ptih7dtx(y/ m(t 78+ h che three lowest tones produced brt( h-4dk7( +pt ih hixm/ctyj789bvwy 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 cj yjd1q)izmwo ijjl)yn8fh /b-9 0; ece:b.:open pipe of length L is 200 Hz. Which one of the following frequencies will not resonate in the same pip1meh 8de.iyw- cj qn:;9/:b) lozc) ijybf0 jje?

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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 fundamental frequency. Whi b.)t gm+:s)mxbud es7ch stats. )xm +mbu sdtg:b7)eement 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 clos9ore aargn/r(g8nwyj;o66 +c ed 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 wavelengths of the three lowe;+i*, x vbi y r:hid99u uuzsv1.*ilvxst tones produced by this pipe? 9rvs*; d,i*uylhuixz 1iui . 9vbvx:+

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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. Whic,6b/zxhtwes 5rts2bv ncz:/4nat) + hh of the following frequencies will not resonate in v t+z6swtcrb 2 /nb:hxast)4hze/5 ,n 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 atlga ))auuub6p,gd.hnq (+/sm one end is resonating at its fundamental frequency. Which statement / )lug, 6adg q().sha+mub unpis 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 byu, w51m cli /bkf*u7si the same source. Each speaker produces a tone with iius* uml ,bk51w /f7ca 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 sound waves shqtey-jpz(kf-k6 ime)2)2vp l 2n nxo 5ould 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 gq-t-km5do;euua5 yh3 0 u ac-j10owzparticular beat frequency is heard. What uocdu aqw 0uhza m1-5te5g o0 -yjk3-;happens to the beat frequency 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 exp 7n(evpggnk 5nvll: u :*o4;lolains

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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 st d0htsv god.x.(mhw+4ationary observer. The frequency heard by the observsh x.tm h(wvg0o.d +d4er 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 o8i;o b lq+ukb1d7l1j-be 9 yfrbserver. The frequency heard by the obserk+ d o;7be fybju lq-l1ibr198ver 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; j auh8 zj(86+l,oy m:btopzu half-angle will decrease by a factor of z;y, 8bj8o: ztmpolau(6huj +:

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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 kHz in air is 35st sio+y 2a4:dbw:e7y2 m/s. What is the air temperature?et7ya4:2y :si+o sdwb

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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 air)2cvb11klnm u 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 bat8v)zr,owohmu :k.k 89xu i1ap emits a shriek whose echo reaches it 0.0250 s later. How far away was theka:k oprhx9 8uum)i,. wvz8o1 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 ech0w3 rmwa f *6w /8xd)pi(wdrk cm5l3fpo 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 lightwmsgxk7i-n1j- dh:(dm8r j x.ning, the distance to the lightning strijdr (jmh81i:nxwg. sxk m-d7-ke 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 cliff on a daymy;nyj y-0+ yy 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 late;ow) ibe*xa wv4 jdb.2r. How deep is the well? (Ignore air resistance, and assume the velocity of sounda4be wwbx ;jdo.*)2vi 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 soundc;imnk fi5:8 t 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 a, (rpuhumh::ci-rd )lir 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 into *pqj-vly0r8 ,f;rulensity $10^{-3} \; W/m^{2}$?

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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 sounf bhe7f h(xl,)d?

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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 o7w e4o/ 8t4wg wwoy*czf two sounds with intensity levels of 70 dB and 40 wc78 wyweg*oo44 tzw/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 engif 5g0s9ongo*unes in a garage is 100 dB. What is the intensity 0g*un 9f5 gosolevel 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 from a s+b1uuo7h op0 x29tt9-ddf akc ource that is radiating equally in all dir9t fao7uc h 0to2b+dku-1dpx9ections 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 radig; kj7, j1 ubldgz1jg1ating equally in all dijl k7dgg1g b11zj j;u,rections 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 i)5leubmg+obgam 4;( r97 tmq vs assumed to be uniformly distributed in all directions. u ) (l4gobt7gmvm;9 are+ qmb5What 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. i/0rkgfs.k bg kj.) 7 55lc3jnxlt7 ba What would ba0lc5x ijfb.t 5rgb3k g). jnk7s/l7ke the intensity 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 intensity level is 60 dB. Whajd:k nk- yd.w,q.haf.t is the intensity level (in dB) at a point 2.0 m from the source? Assume that the source radiates equally in .hkka. dqf. jw:,-n dyall 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 point2 m 4q/2 oz+wsfyjp*ow source is 95 dB. At what distance will it be 75jo4ozmq+s22 w*fwpy / 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 of4n t:ofhr),yal25:5d6 nts bk m qfv1m a complex tone has a frequency of 1200 Hz. What is the frequency of the fourth ,m1:s :tr offman5 qy2d5bntl4 )khv6harmonic?

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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 ha+1wwobtg g7i53 tcs ,j66*gmf5a ce yurmonic of an open pipe is 900 Hz. What is the lengjg,m1coi 6+ we afu6t*c yt5s73bw5 ggth of 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 uti8e 1 ;i;liupipe of length L is 400 Hz. What is the frequency of the lowest tone that will resonate in an open pipe of lengthie;ui;ui l t81 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 ato;z: eaxw xo2oh3m1q* both ends has a length of 0.80 m. If the velocity of sound in air is 340e2q3*x:xo 1;zwo mao h 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 isv0a vvb /ufs4( in a room 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 at one end is 330 Hz. What is p j90iv:zk *brthe frequenzvjk9: rbip *0cy 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 one end that will have a fug9zl9, ztwo w8ndamental frequency of 60 Hz on a day when thew9 l8gozztw,9 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 te, dhoi,mf8xy,21ibgov *jbl* jkar-. mperature 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 i2+l 1 ;jxufrx1 3dieqys 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 speed of sound ir8d dqxb , wy5c 73fnqta0bk tzw4;o+9n air is 340 m/s. What is the fundamental fx wd+td 8,n k3w 0 yqboafztc54qr79;brequency?

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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 clo9kuzu qy:oa3 fd7 ;i s04y;bohsed on one end. If the fundamental frequency of the open pipe is 300 Hz, what uah403dfqzk7o iuyo ;s ;9by :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 the velocfp)6g v,eng aaiwp:ks2/ 7h;tity of sound is 340 m/s. How much farther back would source 1 have to be m; p aawn6h2if 7:/,v egks)tgpoved 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 drsg( 8* wc5kk+lrpak5bb::pck iven by the same frequency of 500 Hz. If the distance from a person to one speaker is (+p kbrk5k:*:k 8spl cgcabw55.00 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 ofc6hp 0 v k64rvvko*i-zn pb+ w:bz2wl7 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 550wi;: s( wkhzz2y8 my+*sbn tf+-Hz tuning fork to tune the frequency of a musical instrument. If thnwh:2 +f;+z zy8b *ts i(mkswye tuner hears 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 tw ear(,/uwm 7dzo horns are 6 m and 7 m respectively. What beat frequency is heard when the horns are sounded on a day when the veloc,z/uw( demar7ity 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 vc)h j8wpyr,+.ap (fv piolins 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 tension of one of the strings would bring them to the same frequenc,arwp .(f)jy8h+p pv cy?

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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 speirpzy;m* xns5r p, 89vqkabp,dw,08y ed of sound. The observer hears a frequency z*r0bmky8s wp ;5iyxq,vnpa9, p, rd8of

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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 fr6uxwfat* g:s:equency of 1000 Hz) approaches a stationary observer at one-half the speedfs* wuxg:a t:6 of sound. 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 li)cae jc(71 tigxr0ff ,stener moves with a speed of 30 m/s away from the source, what is the frequency heard by the observer? (The sound speed is 34f7gjrfieta )c(1,c x00 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 yj 9mbi8wq8ts7c i6s 1800-Hz siren. It is traveling at 35 m/s on a day when the speed of sound through air is 340 m/s. The car approaches and passes an observer who is standing along the roadside. Whyj c6ii 791tm8 8sqsbwat 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 appro1f:gl jrhf9fbpcv5 mfhn/-/qx27xr3 aches witxf-l cqjhrprf /3:21xh7/ bfgvf nm95h 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 traia2 8h2 8v;gzm:tndfz rtg9w/zn blows its 400-Hz whistle. Take the speed of sound to be 3 z zra; ngfdtm982whz2g:vt/840 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 tra w qm5:wmt8a:)6ex7ih qu)upnin. The train blows its 400-Hz whistle. T5a:)x)iwh68 w7uu q qemn mpt:ake the 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:zb7cn2,e iocvxow,nm7k;ip l+-c g ;e3.dfi km/h. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. What frequency do you heaio-: ,xvi;+f,gcz3 m7be.iwn dnk;c eo lp7c2r?

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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 t uevhp8(r/ifv l ,/-zat 120 km/h. It blows its whistle, and you hear a tone of 400 Hz. Take the speed rvu,lf/-ip( zet8vh/ 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 500ipx90 gxj fgnyo*)/ 5k Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an obserg) ygx*0j/ 59kifxpn over 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+(yq 4k 3fbxsj;sio9 i. 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 w4ofisky+ixbs;j 9 q 3(ith 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 isdzz(lz, vim,;zuu1 t8 sent out, and a 42-kHz signuluzz (zi 1d,mz;,8 tval 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 cy -e:v*cb i(un5fnig3onical 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 is the half-angle of the cdqxpw7 5+m*ghfxpgy ux19 20vonical shock wavg+x w1*hgfp90 uqxd725 pv ymxe 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 numboi mq*v 3p(+yd ywgr+7b;z-aner of 1.05 where tpd- vq +ri(3ayg+ z7o mw;nyb*he air temperature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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