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Significant Figures

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Question

A student took an overflow can and filled it with water up to the brim. He then placed an iron bob of volume 15 ml and mass 65 g in it. and collected water in a measuring cylinder. Determine the volume of water collected in the measuring cylinder?

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Solution

Volume of the water displaced must be equal to the volume of the object immersed in it, therefore volume of water is 15ml.

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