2010物理辯論討論 (教師: 賈 至達 許 世龍)
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Problem 5.

Problem 5. Grid   

A plastic grid covers the open end of a cylindrical vessel containing water. The grid is covered and the vessel is turned upside down. What is the maximal size of holes in the grid so that water does not flow out when the cover is removed?





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since 2011/06/20 18:23