【英语翻译6."Takethebarometertothet-查字典问答网
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  【英语翻译6."Takethebarometertothetopofthebuildingandleanovertheedgeoftheroof.Dropthebarometer,timingitsfallwithastopwatch.Then,usingtheformulaS=½at2,calculatetheheightofthebuilding."7.Atthispoint,Iasked】

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  6."Takethebarometertothetopofthebuildingandleanovertheedgeoftheroof.Dropthebarometer,timingitsfallwithastopwatch.Then,usingtheformulaS=½at2,calculatetheheightofthebuilding."

  7.Atthispoint,Iaskedmycolleagueifhewouldgiveup.Heconceded,andIgavethestudentalmostfullcredit.

  8.Inleavingmycolleague'soffice,Irecalledthatthestudenthadsaidhehadotheranswerstotheproblem,soIaskedhimwhattheywere."Ohyes,"saidthestudent."Therearemanywaysofgettingtheheightofatallbuildingwiththeaidofabarometer.Forexample,youcouldtakethebarometeroutonasunnydayandmeasuretheheightofthebarometer,thelengthofitsshadow,andthelengthoftheshadowofthebuilding,andbytheuseofasimpleproportion,determinetheheightofthebuilding."

  9."Fine,"Isaid."Andtheothers?"

  10."Yes,"saidthestudent."Thereisaverymeasurementmethodthatyouwilllike.Inthismethod,youtakethebarometerandbegintowalkupthestairs.Asyouclimbthestairs,youmarkoffthelengthofthebarometeralongthewall.Youthencountthenumberofmarks,andthiswillgiveyoutheheightofthebuildinginbarometerunits.Averydirectmethod.

  11."Ofcourse,ifyouwantamoresophisticatedmethod,youcantiethebarometertotheendofastring,swingitasapendulumanddeterminethevalueofgatthestreetlevelandatthetopofthebuilding.Fromthedifferencebetweenthetwovaluesofg,theheightofthebuildingcan,inprinciple,becalculated."

  12.Finallyheconcluded,therearemanyotherwaysofsolvingtheproblem."Probablythebest,"hesaid,"istotakethebarometertothebasementandknockonthesuperintendent'sdoor.Whenthesuperintendentanswers,youspeaktohimasfollows:'Mr.Superintendent,hereIhaveafinebarometer.Ifyouwilltellmetheheightofthisbuilding,Iwillgiveyouthisbarometer.'"

  13.Atthispoint,Iaskedthestudentifhereallydidnotknowtheconventionalanswertothisquestion.Headmittedthathedid,butsaidthathewasfedupwithhighschoolandcollegeinstructortryingtoteachhimhowtothink,tousethe"scientificmethod,"andtoexplorethedeepinnerlogicofthesubjectinapedanticway,asisoftendoneinthenewmathematics,ratherthant

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2020-01-20 07:49
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冯云凤

  6、把气压计放在大楼的顶端,靠在楼顶的边缘.让气压计向下坠落,用秒表记下它降落的时间.然后用公式S=½at2计算出大楼的高度.(是物理实验题吧,好像中学的时候也碰到过.)7、在这一点上,我问我的同事是否将要...

2020-01-20 07:52:02

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