安徽省亳州利辛联考2021-2022学年中考物理最后冲刺浓缩精华卷含解析及点睛

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2021-2022
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11eMὶᵯCTᵯOᔜᑖᵯOghᡠdFGHIᘤR(ḄᵯO:U1=U-U1=4.5V-3V=1.5V,eMὶᵯCᔜᜐḄᵯSlᡠdFGHIᘤmᐭᵯCḄᵯIᨬ]1.5V0.6AUᵯO⊤VᦪᨬᜧXSᨬᜧ=3VYFGHIᘤZᐭᵯCḄᵯIᨬᜧpYRR(ᵯO:U'=U-t/2«*=4.5V-3V=1.5V,tᵯCᵯSX:51.5Vh=—=-------=0.3A45QFGHIᘤZᐭᵯCḄᨬᜧᵯI:3ᨬᜧ3VHIᘤZᐭᵯCḄIqsX2.5Q10Q஺11ஹ0.55ூ᪆௃t⚪DᵯO⊤hᵯS⊤v,ᵨ]>xᦑEᵯO⊤ḄVᦪz2.5V,ᵯS⊤ḄVᦪz0.5A,ᑣ]{|ᵯIU2.5VuRn=—=--=5f2»/O.5A12ஹ}⁐2ூ᪆௃}⁐ᩞᧇhᱥḄ᪀ᨵᐵᡃ<ὁᵨᴊḄzeXᴊḄ}⁐ᐸᘤgᡠdzᵫ☢ᔣ£ᔣvᨵ¤¥ᐝ§ᓽ©ª«¤¥¬ᧇḄ¬⁐®¯᪵ᐸ±ஹ2ஹ²³´µ¬ᧇᢥ·bḄ¸¹ºᔠd¼<ᔜµḄ¬⁐ᩭᡠd³´µ¬⁐¾X¬ᧇḄ´¿⁐஺13ஹÀᳫHH]ூ᪆௃ᓫÃḄĵᱥÅḄÅ>ÆdzµᱥÅḄÈÉÅ>zᱥtÊḄ·µËឋKÍ᝱ÏᐵÈÉzᱥÅtÊḄ·µᱯឋKÍ᝱hÑÉᨵᐵKÅ>ஹÏᐵ.ூ௃ᵫÒÓm=pVElḄÔÕÖᳫhÔÕÀᳫÖÀᡠd஻ÖீᵨÀÀᳫḄÅ>ᜧØḄÈÉz0.9xl03*g/m3,!⊤VḄᱥᳮÚÛzzḄØÅ>X0.9xl()3AgØᰚᓄᡂY!ḄÅ>HÈÉHᜧ,

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18ᵫᩨᩚn⊝ᩩqO⍝bI(STUᘤjᑮḄ(S;F'==720Nxi=180N,OA4ᵫ⊤|ᦪ}O⍝(S~50N,ᵯ/30Q,ᓽᔁ=:N/஺180Nᡠ+TUᘤjᑮḄ(S180NIᐸᵯ/;^=300Q-5=192£2,N/Q3U4.8VᑣbIᵯ:⊤Ḅdᦪ;r=R'192c=0.025A.