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2 cards from this section. Quick, good the night before a test.
What is the formula for density?
Think of how mass and volume relate to each other.
If a substance has a mass of 20 kg and occupies 4 m³, what is its density?
Divide mass by volume.
What is the formula for density?
Remember how mass relates to volume in the context of density.
True or False: Relative density is expressed in units.
Consider whether ratios require units.
A cylinder has a height of 10 cm and a radius of 3 cm. It weighs 500 g. Calculate the density and determine if it will float in water.
First calculate the volume of the cylinder using its dimensions.
If you have 200 g of a substance with a density of 2 g/cm³, what volume does it occupy? Also, determine if it's heavier than water.
Use the density formula to find the volume.
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