Volume
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Density of wood = mass/volume
To find the mass of a block of wood you should use a triple beam balance.
This density is 0,8 g/cm3.
To find the density, first calculate the volume of the block by multiplying the three dimensions (12cm x 8cm x 9cm = 864cm³). Then, divide the mass (75g) by the volume to find the density. So, the density of the wood block is 75g / 864cm³ ≈ 0.09 g/cm³.
on a balance
Volume
The density of the block of wood is 0.6 g/cm^3. (Density = mass/volume)
No. It doesn't matter how heavy a block of wood is, it depends on the density of the wood. Generally wood floats as the density of wood is lighter than the density of the water, so it would float.
To calculate the density of the block of wood, you would divide its mass (in grams) by its volume (in milliliters). The formula for density is: Density = Mass / Volume. Plug in the values for mass and volume to find the density of the block in g/mL.
Density = mass/volume = 5.4g/(9*2*6) cm3 = 5.4/108 cm3 = 0.05 g/cm3. Balsa, one of the least dense woods, has a density of 0.16 g/cm3 which is more than 3 times the "density" of your wood! So have you discovered a super-light wood species?
If a block of wood floats in water, it means that the density of the wood is less than the density of water. This is because objects with a lower density than water will float, while objects with a higher density will sink.
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You would need a tool called a density meter or a hydrometer to measure the density of a block of wood. This device works by comparing the weight of the wood sample to the volume of water displaced by the wood when submerged. The density of the wood can then be calculated based on these measurements.
Density = Mass/Volume
The density of the wood block is calculated by dividing the mass (5 grams) by the volume (20 cm^3). Therefore, the density of the wood block is 0.25 g/cm^3.