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It is the mass of the block divided by its volume.
well you have to think you would weigh this using grams so the density of a foam block is "Grams per cubic centimeters"
no, because it's too heavy for the density of the water.
you weigh the block on a balance get its mass if it is a regular shape block so the volume should be length * weadth * breadth (side * side * side) the density = mass / volume
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You need a scale to measure the weight and ways to submerge the block and measure the water to determine the volume.
IF you knew the volume of the block and the density of the material it was made of you could calculate it mass (mass = density * volume) but it is normal to measure the mass of something using a mass balance.
The density does not change, as density is the amount of material in a given amount of space. But each piece has the same amount of space and material relative to each other.
density of aluminum block
If the density of the block is less than the density of water, then the block will float. Density of water is close to 1 gram per cubic centimeter. So measure the block and calculate its volume (Length x Width x Height). Use a scale to find the block's mass. Then divide mass/volume to calculate density. If you've measured in grams and centimeters, then the units will be g/cm³, then compare this to 1 g/cm³.
the density is 657.0987536438347355
Yes and no. It's the density that influences floating (so the mass per unit volume). If one block of material weights more than the same block of water, the material will sink, otherwise it'll float.
Density = Mass/Volume
We infer that the density of the block is less than that of water
The block's density is about 0.076 g/cm3
Density (kg/m3) = mass (kg)/Volume (m3) So to find the density of the wooden block, the triple beam balanced is used to calculate the mass and the metre rule is used to measure the height, length and width of the wooden block. Then the volume is calculated by multiplying the thee distances obtained from the ruler. Finally the density is calculated using the equation: Density (kg/m3) = mass (kg)/Volume (m3)