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来源：学生作业帮编辑：作业帮分类：物理作业时间：2024/09/18 06:47:43

Come on!知识帝!
一重为50N的金属块,体积为6dm3,放入水中静止后,其受到的浮力是多少?
(先判断是浮还是沉)

G=mg所以m=G/g=50N/10=5kg (我按g=10算的)
ρ=m/v=5/0.006=833.3

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