2021-2022学年北京丰台区某中学高三下学期一模考试物理试题含解析

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2021-2022
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ᳫtMC5Ḅ)RV”ᳫTBᑮC,ឤymgR+Rcos600
=Epc+mv,3ᑖnᐭᦪ=3m/s.2ᑖn2
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