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→Formula
===Formula===
====Density of a single material===='''Density''' of a [[material]] is given by the formula:
*<math>\rho = \frac{m}{V}</math>
V = The [[Volume (Space)|volume]] taken up by the [[object]].
====Density of a composite or alloy material====
*<math>\rho = \frac{\rho_1V_1+/rho_2V_2}{V}</math>
*<math>\rho = \frac{\rho_1V_1}{V}+\frac{\rho_2V_2}{V}</math>
ρ = The [[density]] of the [[alloy]]
ρ<sub>1</sub> = The [[density]] of one of the [[alloy]] composites
ρ<sub>2</sub> = The [[density]] of the other [[alloy]] composite
V<sub>1</sub> = The [[Volume (Space)|volume]] of one of the [[alloy]] composites
V<sub>2</sub> = The [[Volume (Space)|volume]] of the other [[alloy]] composite
V = The total [[Volume (Space)|volume]] taken up by the [[alloy]]
===Examples===