2022-2023学年重庆市綦江区联盟校八年级（上）期中物理试卷（附答案详解）

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2022-2023
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15UW(1)q½¾Ḅ¿l15m/s(2)qi?¿l½Ì150(hnḄÍÎ◤⌕ḄÐ1300s஺ூ¼᪆௃(1)Ö⍝q³/ᜧ᫑ḄÍÎ7Ð᪷Ú஺=¦gq½¾Ḅ¿l(2)᪷Úu=¦g½Ì1500ÛḄÍÎ◤⌕ḄÐ஺⚪ὃ{¿lÜÝḄÞᵨ#j⍝ßẠ⚪|}áᓫ஺20.ூUᫀ௃¼W(1)ᵫãaÖ_ä³᪗æçᜐᑮéêëḄÍÎ1Ws=30km,ᐕíÌîḄᨬᜧ¿l1v=60km/h,ᵫu=:aÖᡠ◤ḄᨬðÐ1Wt==/ñ=0.5/1(2)òóéê_ôõᑮᓭ÷ḄÍÎ1Ws'=540km,oᡠ◤Ð1Wt'=11W43-09W03=2h40min=j/i,S
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1621.ூᫀ௃=(1)oᜮp4qḄABs=30m,oḄ9:%=15m/s,ᵫ"=0oᜮᒴ9GHpAqḄ
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