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Which of the following would not be a unit of density?

A) Kg/m^3
B) mg/cm^2
C) g/ml

User Somejkuser
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Final answer:

The units of density can be expressed in different forms such as kilograms per cubic meter (kg/m³) or grams per cubic centimeter (g/cm³). The unit mg/cm² is not a valid unit of density.

Step-by-step explanation:

In physics, the unit of density can be expressed in different forms. The SI unit of density is kilograms per cubic meter (kg/m³). However, in everyday usage, densities of solids and liquids are often expressed in grams per cubic centimeter (g/cm³) or grams per milliliter (g/mL). On the other hand, densities of gases are typically reported in grams per liter (g/L).

Based on this information, option B) mg/cm² would not be a unit of density because it refers to milligrams per square centimeter, which does not have the dimensions of mass over volume like the other options.

User Fureeish
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