高一下物理期中考试卷

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CEMBEDEquation.3
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=1.4?104N25.7Rwmb?Nzz500m貧Y,錘240m/s剉惁^4ls^迾L垊vp徃p:gck(Wp徃pMR筫\P(Wwmb?N剉NX侺e|滣栯_G?顣迾:g擽(W|滣朑?Tb?Y軓Y昩N竝9_Mb齹鸔-N鍕G?2610R1999t^11g20錯b齎b烺裇\哊,{NX傉媽氜??^y?鱏nhf6鰁30Rkp瓄筽kpv^GSzz6鰁40R迾9傐廵Q剺歔h廠?21錯2鰁50R9?Wh廠?N袕L垿~13WJSTc銷粂_h廠愇N嘯橻zz魰_薡詮轛21錯3鰁41Rb烺M??Wb齎匭檮銼-N钀0鍌迾9偪lWb_h廠愋彣R9傂廘坔TgY'Yh廠怞S刜Y'YL?惁^Y'Y0WtJS刜R=6.4?103km0000**:S**-Nf[EMBEDEquation.3
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R€nc槝a00EMBEDEquation.3
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gt2梍&&&&&&&&&1Rt=EMBEDEquation.3
=EMBEDEquation.3
=10s&&&&3Rs=v0t=240?10m=2400m&&&&&&3RT{:g擽(W|滣朑?T2400mY昩N剉竝9_Mb齹鸔-N鍕G?02610R9傉~L場e魰t=24h-20/3h+17/6h=121/6h=72600s0001R袕L坔TgT=t/n=72600s/13=5584.6s000000001R1uGMm/r2=4EMBEDEquation.3
2r/T2(1)0000000000000001RGMm/R2=mg(2)00