2021-2022学年北京市顺义区高二（下）期末物理试卷（附答案详解）

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2021-2022
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1A.rᵯḄᕜf0.02sB.rᵯḄ⚣᳛f100HzC.rᵯḄᵯDFḄᨵᦔf20UD.t=0.25snrᵯḄᵯDFf20V6.ᙠᐝḄ¡¢£¤¥+¦ᜧ{§ᩩo¨ḄI96A.©¡¢o¨B.ᦋᵨ⚣᳛«Ḅᐭ!ᐝC.ᦋᵨ®«¯Ḅᐭ!ᐝD.©¡¢ᐝ°o¨7.ij±²X³´µ¶ḄtDᕜr=O.ls,t=0nxḄ%᝞2ᡠ·rnPhᔣy³4XᔣMDᑣA.Jᙠᔣ¹´µB.JḄ|f40m/sC.t=0.025snghPᜐO»ᜐD.t=0.05snghPMDᑮx=4.0mᜐ8.ᡃ½¾¿ÀlD,ÁᢈÃiÄ4G,Åᵨ1880Æ2635MHz⚣ÇḄÈÉᵯʾËÀlD,ÁᢈÃiÄ5G,Åᵨ3300Æ5000MHz⚣ÇḄÈÉᵯ஺ᑡ8945Ḅ6A.5GÁÌE4GÁÌÍ6ÎB.5GÁÌ>4GÁÌ«Ï᧕ÑÒÓ!C.5GÁÌ>4GÁÌᙠÔÕ¥´µ|;«ÖD.5GE4Gᵯ×ÁÌḄ×ØÙÚ;ÛnoÍS6ᙳᒴᓄḄ9.᝞2ᡠ·ᳮßàᘤâஹãÉᙌåᦪ>2çn=10ç1,ᙠâÉᙌwèé)Ûn2oᓄêëfu=200ᡈsbU007Tt
UḄᵯàᵯ⊤Eᵯà⊤ᙳfᳮßᵯ⊤R=100஺ᑣᑡ8945Ḅ6¾2⚓ᐳ19⚓

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4A.Û⊤☢ḄᵯÞ¤R⊤☢ḄB.ÛR⊤☢AḄᵯÞLU=Cgᵫᵯãᡠî☟ᵯ«ḄᜧJïD,gᵫᵯãᡠîðñᐻ«ᜧJ?ôஹ⚪(µᜧ⚪ᐳ1J⚪ᐳ8.0ᑖ)15.ᙠ°“ᵨᓫ᤮ä«ùú"ḄᜧJ”Ḅ9(1)᤮ÒûᕜýT,ᑣ«ùú"g=஺(2)ᑡÿḄᩞᧇ⌱᤮ᳫஹ⌱᤮ᡂᓫ᤮஺(⌱ᑡ⌱⚗✌)A.ᜧᩈᳫ8.ᳫC.!"#᧕%&Ḅ'(.*+(3)ᙠ-.ᓫ᤮᤮&/0123Ḅ4(⌱ᑡ⌱⚗5Ḅ)஺46᤮0-᤮&789:;᤮ᳫ<=>?ᓫ᤮@ᵫᚖ0-᤮&79:;᤮ᳫC=C.Dᓫ᤮E.0ᢕG᤮ᳫ0ᵨIJK0-᤮LMᑮ᤮ᳫᳫOPQRSD-᤮ᳫC=0Dᓫ᤮E.80?᤮ᳫTᯠᚖ0ᵨV7WX᤮Ḅ&709:;᤮ᳫḄ<=(4)YZ-[\I:]7Ḅ^_`ᙢY▭\I:]7Ḅ^cᜧ0deḄfg4h᤮ᳫḄiXcᜧB.ᓫ᤮jkḄjlcC.mn᤮&/oᨵ:;᤮ᳫḄ<=^DqY▭jkrᦪnrtuᡂ(n+1)rvஹwx⚪(zᜧ⚪ᐳ4⚪0ᐳ38.0ᑖ)16.ᑭᵨ~(a)ᡠḄZkXឤ.஺ᙠ~(a)0;ᨵᙽ0ᙽ4ᨵᱏ0ᡭMm/ᘤ(~)ḄᙽBᨵᱏ0;☢E.¢ᐝᱏ0ᐝᵯm/ᘤ(¥ᐰ)d§u¨¢ᐝᱏ©ªᐝᵯ«Ḅ/Q஺YZ-[ᙽ4iX=0.310kg,ᙽBḄiXTn?=0.108kg,¢ᐝᱏḄ¬7d=

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