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August 30, 2014

Homework Help: PHYSICS

Posted by SARA on Friday, February 1, 2013 at 2:30am.

Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the individual spheres) equal to the surface area of a cube 1.1 m on an edge?

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