A solid block is suspended from a spring scale. When the block is in air, the scale
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(a) What is the density of the block?
(b) What is the density of the oil?
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Density is a measurement that compares the amount of matter an object has to its volume. An object with much matter in a certain volume has a high density. Density helps us predict whether something will float. In this video, the density of oil is assessed by adding food color to the oil above water.
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