austinshure austinshure

30-11-2021
Mathematics

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A graduated cylinder has a mass of 50 g when empty. When 30 ml of water is added the graduated cylinder has a mas of 120 If a rock is added to the graduated cylinder, the water level rises to 75 ml, and the total mass is now 250g. What is the density of the rock?

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Kinberlin77 Kinberlin77

30-11-2021

D=M/V
M=250G-120G=130G
v=75ML-30ML=45ML
D=130/45=2.89g/ml

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