(附加十套模拟?2019年湖南省邵阳市中考物理试卷word有答案含解析 - 百度文库 ϵͷ

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S R1 A V P R2 ˵Ķʱǵ

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2162.5 Խ 1.210

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t=s/

v=1.510m/15m/s=110 s

734

P=W/ t=1.510J/110 s =1.510w

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⣺1W=Pt=0.98kw0.1h=0.098kwh

ûйʽ͹ֱӸ𰸣÷֡ʽȷ𰸴󣬵1֡ 2PR=PPM=980w100w=880w IR=PR/U=880w/220V=4A

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