[今日更新]河北省2023-2024学年第一学期九年级阶段评价（四）.物理试卷答案

[今日更新]河北省2023-2024学年第一学期九年级阶段评价（四）.物理试卷答案试卷答案,我们目前收集并整理关于[今日更新]河北省2023-2024学年第一学期九年级阶段评价（四）.物理试卷答案得系列试题及其答案，更多试题答案请关注微信公众号：考不凡/直接访问www.kaobufan.com(考不凡)

[今日更新]河北省2023-2024学年第一学期九年级阶段评价（四）.物理试卷答案试卷答案

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M:Yes.I'dliketohaveasingleroomwithabathfromthemorningofSeptember7tothemorningofOctober10.W:OK.Wedohavesuchasingleroomforyou.M:Thanks.(Text5)W:Allright.Gatherroundeveryone.Redandbluewillbeplayingfirst,andyellowwillcomeoninfiveminutes.M:That'snotfair.Theredteamplayedfirstlasttime.W:Don'tworry.Eachteamwillplaythesameamount.(Text6)M:Whatisthematterwithyou?W:Oh,Ifeelterrible.Ihadafeverlastnight.M:Didyoutakeyourtemperature?W:No.Ididn'tdaretotakeanymedicine.M:Letmelistentoyourchest.PleasetakeadeepbreathW:Isthereanythingserious?M:Don'tworry,thereisnothingserious.W:DoIhavetolieinbed?M:Ofcourse,youshouldlieinbedtillthefeverisgone.Here'sthemedicineforyou.W:ShallIcomeagain?M:Idon'tthinkyouneedtocomeagain.I'msureyouwillbeallrightsoon.(Text7)W:MrSmithiscomingtotakealookaroundourfactorytoseeifit'sbigenoughtosatisfyhisdemands.Ifheissatisfied,thereisagoodchancethathewillsignadealwithustoday.M:Ireallyhopethatwillhappen.Theprofitsthisdealwillbringishuge.W:Don'tworrytoomuch.Afterall,wehaveeverythingherequestedoverthephone.Any-way,let'ssetoffabitearlytopickhimupattheairport.M:Thatsoundslikeagoodidea.Wedon'twanttogetstuckinrushhourtrafficandbelateforhisarrival.(Text8)M:Hi,Jeanie.Whyhaveyoucometoschoolanhourearly?W:Iwantedtogetafrontrowseatandreviewonemoretimebeforethetest.Whyareyouheresoearly,Jack?M:Iarriveherethistimeeveryday.Youseemtobenervousaboutyourlessons.Haveyoufinishedyourreview?W:I'veonlybeenstudyingnightanddayforthelastweek.IfIdon'tgetanAinthisclass,I·34·【23新教材·DY·英语·参考答案一R一必修第二册一N】

6.设想原来静止的天然放射性元素的原子核在垂直于纸面向里的匀强磁场中发生了衰交且产生的新核和所放射出的粒子的运动方向均垂直于磁场方向,用箭头指向表示粒子的运动方向,下列四幅图表示可能发生β衰变的轨迹图为

9某篮球运动员正在进行投篮训练,篮球的运动轨迹可简化为如图所示的曲线,其中A是篮球的的投出点,B是运动轨迹的最高点,C是篮球的投人点。已知篮球在A点的速度方向与水平方向的夹角为45^,在B点的速度大小为v0.,在C点的速度向与水平方向的夹角为30^,,篮球可视为质点,忽略空气阻力,重力加速度大小为gA.从A点到B点,篮球运动的为B.从B点到C点,篮球运动的时间为2v02gC.A、B两点的高度差为3v0^28gD.A、C两点的水平距离为(3+3)v0^23g

23.如图所示,电源电压保持不变。当闭合开关S,滑动变阻器滑片P从a端移到b端,两电表示数变化关系用图乙中的线段AB表示。求:(1)滑动变阻器的最大阻值;(2)电源电压和R1的阻值;(3)滑片P滑到ab中点时电压表的示数。UIVAB0.20..40.61/A