What is the number of conduction electrons per aluminum atom
Aluminum has a density of 2.7 103 kg/m3 and a molar mass of 27 g/mol. The Hall coefficient of aluminum is R = -3.0 10-11 m3/C. What is the number of conduction electrons per aluminum atom?
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The acceleration of gravity is 9.8 m/s2 . Find the coefficient of static friction between crate and floor.
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