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設AB的中點為o點,因AB為勻質,所以O點為AB的質心.1)AO=AB/2,根據數學模型可以證明推斷出,O點豎直向下速度為V/2,2)因AB與地面夾角45度,可以知道B點有向右運動趨勢,B點暫態速度與A點相同,大小為V,方向水准向右.同1)…
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