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How much work is done in raising a stone of mass 5 kg and relative density 3 lying at the bed of lake through a height of 5 meter?
Wiki User
∙ 11y ago
It is so interesting!
As the ratio of density of solid to that of water is 3:1, the apparent mass would become 2/3 of the original
So work performed = m g h
2/3 * 5 * 9.8 * 5 = 245 J
Wiki User
∙ 11y ago
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