安徽省2025届九年级随堂练习(9月份)物理试卷答案试卷答案,炎德英才答案网站目前收集并整理关于安徽省2025届九年级随堂练习(9月份)物理试卷答案试卷答案得系列试题及其答案，更多试题答案请关注我们

安徽省2025届九年级随堂练习(9月份)物理试卷答案试卷答案

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W:Yes,hewillstayhereforonemonthandgiveusseverallectures.M:Really?That'sgreat!W:IheardyouattendedhislectureinNewYorklastyear.Whatdoyouthinkofit?M:Well,IthinkMr.Petersonisahumorousperson,buthislectureisnoteasytounderstandforme.W:Soundsinteresting.Iwanttohaveatrywhenhecomes.(Text7)W:Yourbackpackseemsveryheavy.I'mafraidthatyouwillhavetohaveitchecked.M:Noproblem.Whataboutthissmallbag?W:Youcantakeitwithyou.Whatkindofseatwouldyoulike,onenexttothewindoworoneinthemiddle?M:I'dliketohaveagoodviewfromthewindowduringtheflight.W:OK.I'llgiveyouaseatnexttothewindowintherightrow.Andhereisyourticket,passportandboardingpass.PleasegetontheplaneatGate26.M:Thankyou.Andwhatisthelatesttimeformetogetontheplane?W:Atabout8o'clock,fifteenminutesbeforetheplanetakesoff.Theplaneisleavingontime.M:Thankyouverymuch.W:You'rewelcome.Haveanicetrip(Text8)M:Whatdidyoubuyatthemarket?W:Iboughtsomespeciallocalproducts.M:Youseemtohaveboughtthewholemarket.W:Yes.Ireallywantedtodoso.Ilovethosepaper-cutssomuch.M:Paper-cutsareallhand-made.Letmelookatthepaper-cutsyoubought.Theyareallanimals.W:Aren'tanimalsthemainthemeofChinesepaper-cuts?M:Animals,especiallythespecialtwelveanimals,arethemostcommonthemeofpaper-cuts.Butthereareotherthemessuchasplantsandcharactersinfolkstories.W:ThenIwillbuysometomorrow.M:Oh.Iknowtheyareattractiveandcheaphere.Butyou'vealreadyhadenoughtomakeyourhomemorebeautiful.W:Yes,buttheyarewonderfulpresentsformyfriendsinourChineseclass.M:Right.Thatmakessense.(Text9)M:Hello,I'mBlakeMartin.Ihavejustmovedinnextdoor.W:Oh,hi.Comeinplease.I'mAnnaSchmidt.Nicetomeetyou.M:Nicetomeetyou,too.W:Wouldyoulikesomethingtodrink?I'vegottea,juiceandcoffee.M:Thanks.Someteawouldbefine.Wow,howspecialyourteasetis!Wheredidyougetit?W:Oh,thereisashoppingmallnotfarfromhere.Iboughtitthere.Andyoucanalsogetateasetintheteahousearoundthecorner.Youmustfindwhatyoulike.M:Allright.Iwillgoandhavealooksomeday.It'saniceneighbourhoodhere.W:Sure.It'squietandverynice.Youcangettothebusstopandthesubwaystationwithintenminutes'walk.There'sagrocerystore,abookstore,agym,andmanyrestaurantsalongthestreet.【高一英语参考答案第7页（共8页）】

安徽省2025届九年级随堂练习(9月份)物理试卷答案第一部分

h=v28h13.(10分)如图所示,在一个长1=30cm,,截面积S=4cm^2的绝热汽缸内有两个质量和厚度均可忽略不计a、b,的活塞a、b,两活塞把汽缸分为体积相等的A、B两部分.汽缸的右端固定有一劲度系数k=00N/rm的轻质弹簧,弹簧左端和活塞b相连,弹簧的l0=15cm,原长l,=15cm,活塞与汽缸间的摩擦忽略不计且密封a良好,活塞a导热性能良好,活塞b绝热.开始时A、Bb3两部分气体的温度均为300K,弹簧为原长,活塞a恰a好位于汽缸左端.现施加一个水平向右的恒力F=20NF=20Naa作用于活塞a上,活塞a向右缓慢移动一段距离后停止,再通过B内的加热装置(图中未画出)对B内的气气体缓慢加热,使活塞a回到原来的位置.ay=10a(1)当活塞a回到原来的位置时,求活塞b相对于初始b位置的位移

安徽省2025届九年级随堂练习(9月份)物理试卷答案第二部分（待更新）

(1)实验中,除铁架台、瓷砖、铁块、电磁打点计时器、纸带、导线及开关外,还必须使用的器材有和。(填选项代号)A.电压合适的50Hz交流电源B.电压可调的直流电源C.刻度尺D.秒表E.天平(2)铁块下滑的加速度a=m/s^2(保留2位小数)。(3)由此可以计算出铁块与瓷砖间的动摩擦因数为(用a、h、L、g表示)。