ch01-p025 - 25. We introduce the notion of density, = m / V...

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25. We introduce the notion of density, / mV ρ = , and convert to SI units: 1000 g = 1 kg, and 100 cm = 1 m. (a) The density of a sample of iron is () 3 33 1 kg 100 cm 7.87 g cm 7870 kg/m . 1000 g 1 m §· § · == ¨¸ ¨ ¸ ©¹ © ¹ If we ignore the empty spaces between the close-packed spheres, then the density of an individual iron atom will be the same as the density of any iron sample. That is, if M is the mass and V is the volume of an atom, then 26 29
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This note was uploaded on 09/03/2009 for the course PHYS 1200 taught by Professor Stoler during the Spring '06 term at Rensselaer Polytechnic Institute.

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