A 15-g block of aluminum has a volume of 5.5 cm. Its density will be 2.73 kg / [tex]cm^{3}[/tex]
Density is the measurement of how tightly a material is packed together. It is defined as the mass per unit volume. Density is defined as the ratio of mass of the object to the volume of the object. Different substances have different densities.
The mathematical expression for density is as follows: Density=Mass * Volume. The mass of a substance is expressed in kilograms and the volume is expressed in liter.
Density is an important concept because it allows us to determine what substances will float and what substances will sink when placed in a liquid. Generally, substances float so long as their density is less than the density of the liquid they are placed in.
Density Symbol: ρ
Density Formula: ρ = m/V, where ρ is the density, m is the mass of the object and V is the volume of the object.
Density = mass / volume
mass = 15 kg
volume = 5.5 [tex]cm^{3}[/tex]
density = 15 / 5.5 = 2.73 kg / [tex]cm^{3}[/tex]
A 15-g block of aluminum has a volume of 5.5 cm. Its density will be 2.73 kg / [tex]cm^{3}[/tex]
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