I want to ask....(20marks)Quick 要式
2008-04-17 2:28 am
IF the mass of 10cmcube of water is 10 times of that of polystyrene foam with the same volume , what is the ratio of their densities?
回答 (1)
2008-04-17 2:53 am
✔ 最佳答案
density = mass/volumesince the volume is constant,
density is directly proportional to the mass
ratio of density of water to density of foam
=10 : 1
收錄日期: 2021-04-29 20:24:23
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