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20 June, 10:06

A rock is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the rock?

Initial volume of water: 13.7 mL

Final volume of water: 28.9 mL

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  1. 20 June, 10:16
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    Easy

    when rock is in water, it takes up a certain volume, say x

    so

    initial+x=final volume

    luckily we have final and inital

    13.7ml+x=28.9ml

    minus 13.7ml both sides

    x=15.2ml

    the volme of the rock is 15.2ml
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