For the following model of Newton's law of сooling dT -2(T+ 18), Т(0) — 40, T(0) = 40, | dt the ambient temperature is Tm 18°.

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A:

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.