melyjotaDerodri melyjotaDerodri

08-11-2016
Physics

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A cube of plastic 1.2x10^-5 km on a side has a mas of 1.1 g. what is its density in g/cm^3?
Please explain how to get to this answer.

Respuesta :

Edufirst Edufirst

11-11-2016

density = mass / volume

mass = 1.1 g

volume = length of side ^ 3 = [1.2 * 10^-5 km * 100000 cm/km]^3 = [1.2 cm]^3 = 1.728 cm^3

density = 1.1 g / 1.728 cm^3 = 0.64 g / cm^3

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