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
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
