陕西省2025届高三上学期第一次校际联考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陕西省2025届高三上学期第一次校际联考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
陕西省2025届高三上学期第一次校际联考物理试卷答案试卷答案
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11.What'sMaloney'sattitudetowardsthediscoveryoftheancientsurgery?A.Doubtful.B.Positive.C.Puzzled.D.Critical.DIntheUnitedStates,researchersareexperimentingwithsodiumtoseewhetheritcanpomrmuch-improvedbatteriesinthefuture.Sodiumisasoft,silverymetal.Itisplentifulandfoundin努努seawater.Themostcommonbatteryusedtodayismadeoflithium()Thesebatteriespowereverythingfromsmartphonestocomputerstoelectricvehicles.ResearchersfromtheUniversityofCalifornia,SanDiegoareattemptingtobuildanewgenerationofbatteriespoweredbysoduinteadoflithium.OTheCaliforniaresearchersarestudyinglithiumbatteries,butinthenextfewyearstheyplantobegintestingnewsodiumbatteries.TeammemberHayleyHirshsaysshelooksforwardtoworking炒morewithsodiumdevelopmentinthefuture.Lithiumiscostlyandnoteasytocollectbecauseitiswidelyspreadacrossmanypartsoftheworld.Largeamountsofwaterandenergyarealsorequiredtogatherlithium.Butsodiumisfoundin性theworld'soceans,withaseeminglylimitlesssupply.Thiswouldleadtomuchlowercoststo潞producesodiumforbatteries.Hirshsayssheisexaminingdifferentwaystomakebatteriesthatlastlongerandcanstoremorepower."Rightnowit'sjustinthelabandwe'reworkingonfiguringouthowtomakeitholdmoreenergyandlastlongersothatitcanbeusedinyourphone,inyourcaroreventostoreenergyforsolar,forwind,"shesaid.Findingbetterwaystostoremoreenergyatalowerpricehasbeenoneofthemajorbarrierstodevelopingmorepowerfulbatteries.Todayitisnotreallycost-effectiveforpowercompaniestouse拼batteries,Thisisbecauseitwouldcosthundredsofdollarsperkilowatthourtooperate.However,usingsodiumbatteriescouldbringthatcostwaydown.TheresearcherssayitcouldthenmakeeconomicsenseforpeopletohavestoragecontainersathometosaveenergyproducedbyOthesunorwind.12.Whatcanweknowaboutsodiuminparagraph1?AItisakindofhardmetal.B.Seawatercontainsplentyofsodium.阔C.Itisabletopowermuch-improvedbatteries.当Themostcommonbatterytodayhasbeenmadeofit.13.Howisthethirdparagraphdeveloped?A.Bygivingexamples.B.Bygivingdescriptions.C.Byusingfiguren.D.Bymakingcomparisons.14.Whatcanmakethewideuseofsodiumbatteriespossible?0A.Thelowcout.B.Energyconservation
C.Thegeographicaldistnbution.D.Safetyandeuvironmentprotection.阍能15Whatinthemainideaofthetext?A.Thodifforencenbetweensodiumandlithium.B.TheadvantgenAnddisudvantagesofsodium.C.Researcherelouktosodiumtomakebetterbatteries.D.Renearchersfindbelterwaystomakebatterieslastlonger.高三大联考·英语第4页（共B页）
陕西省2025届高三上学期第一次校际联考物理试卷答案第一部分
10.(12分)一列沿时的波形如图甲所示,x轴传播的简谐横波在t=0,M、N、P、Q为介质中的四个质点,M点位于平衡位置,,P点和Q点分别位于波谷和波峰,M、Q两质点平衡位置之间的距离为9m,M点的振动情况如图乙所示,求:(1)该波的传播速度大小v;(2)Q的平衡位置坐标xQ。
陕西省2025届高三上学期第一次校际联考物理试卷答案第二部分（待更新）
质量为10g的子弹以500m/s的水平速度击中木块并留在其中(作用时间极短),g=10m/s^2..下列说法正确的是A.子弹和木块摆到最高点时速度为零B.滑块的最大速度为2.5m/sC.子弹和木块摆起的最大高度为0.625mD.当子弹和木块摆起高度为0.4m时,滑块的速度为1m/s
