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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 f*4d wxtaq74w.c s, zmjalse 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 conduct*:3 zq;k/og- vio-bvr*efn dj ed 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 soundm +x;sg 3bjau-z. wmu3 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 ho*5f )n:el 0 gkanvv)the velocity of sound? (Assume that all other factorsln*)v av5nef)k 0:goh 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 sz(gam8 2zn4ja 200 Hz sound througg8j4m2 szan (zh 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 waveleng k-b/xccr0(v-v-qu1 9fi ycdnth of a 200 Hz sound in airbcv-cn 0k1d i(/-u-rvqf 9 ycx 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 c 6xd5;-jmiirl alled

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with frequena : py,oiwweit(*f 52pco2la :cy 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 xmx tkhj , :w-bf-et)-is emitting waves uniformly in all directions. If you move to a point t)xt -wk ,e--h:btfmjx wice as far 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, inten+lipoq2(f2 r;jcut ebt8t/6zsity 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 sourceolqi-4) 3t -+oipot th at a distance d from the source is I. What is the intensity at a distance 2d f +op)to- i-i3tloqh4trom 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 thk9h4k5 4vkht fat is radiating equally in all directions. What happens to the intensity of the sou5k4f kvh t4k9hnd? 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 im9 vj9s( su28zwd ck:ls radiating equally in all directions. What happens to the intensity level of the sound? 9:lz v2s(mk8 jc9dwsu 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 increasesegoihr+xg s70314;bw z ovg: ,zvep-j 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 tonepm z 8 80df22.us- rqfvghr*a nn4wmy1. What characteristic of the sou8dgrphq-nm 8fu4 z1 0vrn 2f .asm*y2wnd increases?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines "loudne7nl)) 2k dfjvu7th+ wjss" 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 a musical i2*bt3eo,mqtn 3ey,s 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 frf38 hy +v52zaqyb( yq-by1fn/ygt; yqom 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 wave+a;k(3e t1wefabm35h7k ( k u epabe;rs 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 by6hmjkl.je; axd )f55*+n fvk-oj/bf:b ix-fy the guitar as a result of this vibratiom*hx;if k-vb/dj5n y+a: j6)f.ol k f -bfjex5n. 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 opvy -.bsmzwc997pevv y, - jpi7en 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. What are the p rwwrc(ou-uvm// 5(i wavelengths of the three lowest to(-mriuwuc5 v// ro(wp nes 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 resonagd8n(kt(zo:r+ ju 4 dgte in an open pipe of length L is 200 Hz. Which one of the following frequencizg48d(td+kgj( uro n:es 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 fundamental frequency. Wv tnfs94e xq 3,lo4wub ;j0u,jhich statement is 4,f4q3jstlx u9n we ,bju;v 0ocorrect?

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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 ax8wvbkgtfz /3/d; 4h ynd 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. Whao(uj ht4z*nxlo5v-0tt are the wavelengths of the three lowest tones producejtnxv0* u-t(4ooh 5lzd 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 9ohp/wix/m 8lxl8lfhx9i;h / Hz. Which of the followingh mf9 pw/89lh/x8;xiilxohl/ frequencies 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 isc ( yxtgs3,ww( resonating at its fundamental frequency. Which statement is(swy(cxgt,3 w 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. /xo/6 g/p n5ktjfw dn:66q vrh Each speaker produces a tone with a frequency gjv/h d 6krwon /nqpf:t665x/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 )m j ibgznt*0g9 87q1)pv mcpeyl or0*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 frequel,czj-q2 l+0yq ntkr -ncy is heard. What happens t , - tl+ycknj2qqz0r-lo 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)eu;mo mc0j4whak; c; *p.j2-tawfbplains

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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 the obw)tvckf (ww02r,.a mvserve w0wavv. w (f,t)2ckmrr 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 freqkcsy*n*( -hb acfji3w +;fi-zuency heard by the obserca 3z iikbnyw-j+f-h *c(* ;fsver 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 d:y8 4g5l9g qd2pz mgpiouble its MACH-speed, its half-angle will decrease by a factor op i 8zgp:g2g 5ml94qdyf:

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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 soundk:)5f *cjx563j jvkoaovysc2klh , .c of frequency 45 kHz in air is 352 m/s. What is the air temperature2ofkcx 5ky)6*:jl c 3js,jh va. 5kcov?

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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 souns;jywd0 m.0qn3viph lp80zpt m 7;)ebd 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 souyuy61jnx6du bg4- ;sfnd in air is 340 m/s, a bat emits a shriek whose echo reaches it 0.0250 s later. How far away was the obje;61 x 6- usydyngbu4jfct 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 whkh3;3qs j;m-w+ 9g c.dohl1lx b0jtthe 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.otmo ob0/bx.;0 s after seeing a flash of lightning, the distance to thexm.ob/t0ob; o 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 cliff on a day the temperature :1lqyn caus)4f/z9gvis $15 \; ^{\circ}C$. 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 d(pw 7i kur 4gvx1j)y89ic ilx-eep is the well? (Ignore air resistance, alxviw1g)8rik4 (7i-9y pujx cnd 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 frequency 500 Hz is; xz iug,vd0t5

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound traveling in air0l (0js zpnys+i72dw 9ku/bwt 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 sounb/)cu)tcx4 xq d 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 3zp0i5fvr rphg7 4igu 7.fk-ka 70-dB 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 levelsl1 rwava/bff ()gco/k7p)* ri of 70 dB awvil(g*rc)ofk//af pr1b7) 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 eng+1egkxfzv732 rc a,iyines in a garage is 100 dB. What is the intensity level gen2fx 13vgeia r7+z, ckyerated 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 j5a21ip sn -lgrf +qg7of 6.0 m from a source that is radiating equally in all directin+p 7 q251i-sarjgfglons 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 radiating 0bj.u pizdx a fythj:h8 9.(+zequally in all .ti :a(y9 .hpj0uz8b xzdh f+jdirections 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 t51. z:lmb;e;k8pbkcx2fft ibe uniformly distributed in all directions. What is the intensity t; xfktmbb;ek.clz1i8p: 5 2flevel 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. Whabvz5ao/q 4 0tst would be theqta4/0bzsv 5 o 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 intefru fux0r()kugw2. o.nsity level is 60 dB. What is the intensity level (in dB) a.wu.rg(2ruf uf0kox)t 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 pu ;uf qmi3:58xl czt3moint source is 95 dB. At what distance wix3:;m8l fcqu3u 5zitmll 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 ton v1 na5;g79r cetnqk)pe has a frequency of 1200 Hz. What is the frequve;c gtaqn1)5r pk7 9nency 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 opc)rnk*) 6tz2 ciir5ft en pipe is 900 Hz. What is the lengt*rn tt 26 ii)5ckfr)zch 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 pp6o n ljr8j*o c4l)i;jipe of length L is 400 Hz. What is the frequency of the lowe8o4j;cjlpni6r olj*) st tone that will resonate in an 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.kw9w +71boas.y )6gqum1e rxg If the velocity of sound in air is 340 m/s, what is the frequency of the second x1qy+g) k1r7ubogs e .awmw69harmonic?

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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 tzuk np8a:o.x6 emperature 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 1 fg1qa6g:36abvd rmlpipe closed at one end is 330 Hz. What is the frequency of the tbv3adafg6lm :1 6 r1gqhird 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 k 9(t dtmb8uk:tz+g fh37ub-z a fundamental frequency of 60 Hz on a day when the velocity of sound is 34k tt(b7z m-:k 9 3thdzu+fu8bg0 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 6,yrzt9i+:pur3g 1wfy w u7nfmperature 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 temperatureu xy lf8c06-s9p-ypnd48 hzys 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 speedyo/(hw:esbquj7h ruz ztp4: :q:q 7 ;b of sound in air is 340 m/s. What is the fundamental frequez;:j:zur(qh4te:: h7q ybq owsp7b/uncy?

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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 on - n27 z.exqlbu;jd m: ,hk(xcmone end. If the fundamental frequency of the open pc ;.,en2b -:mxx7kjdzh mlq(uipe 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 omoqfe at)u-033xo bg j5h8r9af 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 th og9u38a0-)h5ejq3bxatomfr e 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 frorae1g 0dr5lh1 lzho7cf ) q94equency of 500 Hz. If the distance from a person to one speaker is 5.00 m and the person detects littl clg0ho e7 l5do41q 9)hz1frrae 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 andl*(/datxc y /u 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 tunihk trc +rtryu..q 6u76ng fork to tune the frequency of a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the fr6yrthu.u6r. tc+7kqrequency 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 so;0;bsm1t/sk6)c(ljfdpwobr6 a1 fv runds produced by two horns are 6 m and 7 m respectively. What beat frequency is heard d fsk0)b bc1s ;f;lw(r/6 r 61ovptjamwhen 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 o7ul ads-ut7s/rchestra are found to produce a beat frequency of 2 Hz when a frequency of/7sus u t7dal- 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 stationary 1000-Hz sound s1 xs+m mda9tf-u, -lclef8 *qoee93mfource at twice the speed of sound. The obserq8mm-efdcul emfo f+1as,t xl 9-e 93*ver 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 stationarf *bq4 yu4b 70zzxwdart590n ny observer at one-half the speed of sound. Thab5 4b4xzrdf0* wn9tqnzu70 ye 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 lkc w6l350 ox+nzq4 zcxistener moves with a speed of 30 m/s away from the sourcx zlq53 zkc0o6+ c4xwne, 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 travelin pz (6taz/ zjv/5ajk/b. ,jpvag at 35 m/s on a day when the speed of sound through air is 340 m/s. The car approaches and passes an obszj6a/z p b/v.zpk,v/a5 j a(tjerver 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 approachesp,qeb2 pamm6lu/5 sk7 with a speed of 30 m/s. The frequency of theue7mbl/p5q2 s 6,mp ka 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 )9i /fr 37agxslcpd b 9z x1s54puo js)9gyck+train blows its 400-Hz whistle. Take the speed of sound to be 340 i g9k54s9 3y1u+dzxxjc l7/rbfospa)c9g)psm/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 a44e xct-( 0vll hwu,xfu(ee9 m stationary train. The train blows its 400-Hz whistle. Take the speed of sound to be 340 m/s. What frequency do you hear lt,u0e( vm( e 4fxh4ecxu-lw9?

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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 its 400 mntf2t ;,5svz-Hz whistle. Take the speed of2vs mtn;5,tf z 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 km/h. It blows its whistd-hst:i6t:i*/zmq0 .nrdc( b-utb eq le, and you hear a tone of 400 Hz. Take the speed of sound to be 340 m/s. What is the abs- e6c.dt0t *q/bnurzihq-t id::m (ctual 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. Assumet,k jmv- ixt7o52( ;pifccuj,ggt**h 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 tr-i 7j2vchkcu*jtmox,i* t;,p tg(5fg ain 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 speed of sound in ai 6dpgx z(3:yjxr is 340 m/s. What is the frequency heard by an observer if the observex 3j6g(zxp y:dr 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 40w n jtw,:kj9.vm)q-2/legl, bcv+:ig ,iehpe -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 obk lvg)9w t-hje/ivq+jc,,pwg b ,2e: li.n:e mject 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 cm1z++a hpi,je3;( fltna,km vonical 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 M78km+.xcz( x it+g+a7 oivure ach 1.4. What is the half-angle of the conical shock wav+g 8 mk ce+uxro7a+t(x v7izi.e 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 numbermv d);y* k5m,a7sgssvojkxmte 25p 7- of 1.05 where the air temperature -v2kj ssx; yk)5m5 v7 omse* g7ptadm,is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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