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What has a specific ratio of an object's density to that of water?
It is called the specific gravity.
What is ratio of densities?
If the second substance if water, then it is specific gravity. Otherwise, it is just relative density.
How do you calculate volume with specific gravity and mass?
An abstract, esoteric mathematical operation known as "division." Divide mass by density, and you get volume. A note for purists: Technically speaking, specific gravity is not density, it is a ratio of densities. However, since one of the materials in the ratio is water, and its density is well known, it's easy to calculate the density of a material from its specific gravity.
Why the objects sink?
Objects sink when the density of the object is more than that of the water.
What is the formula to find relative density of liquids?
Density of liquid A, relative to liquid B = density of liquid A/density of liquid B. The temperatures and pressures for both liquids must be specified.Often the reference liquid (liquid B) is pure water at one atmosphere and room temperature (20 deg C). In that case, the ratio is also known as specific gravity.Density of liquid A, relative to liquid B = density of liquid A/density of liquid B. The temperatures and pressures for both liquids must be specified.Often the reference liquid (liquid B) is pure water at one atmosphere and room temperature (20 deg C). In that case, the ratio is also known as specific gravity.Density of liquid A, relative to liquid B = density of liquid A/density of liquid B. The temperatures and pressures for both liquids must be specified.Often the reference liquid (liquid B) is pure water at one atmosphere and room temperature (20 deg C). In that case, the ratio is also known as specific gravity.Density of liquid A, relative to liquid B = density of liquid A/density of liquid B. The temperatures and pressures for both liquids must be specified.Often the reference liquid (liquid B) is pure water at one atmosphere and room temperature (20 deg C). In that case, the ratio is also known as specific gravity.
