What is the distance between the centres of adjacent atoms

Reference no: EM1372307

Q. When you push a 1.95kg book resting on a tabletop it takes 2.50N to start the book sliding. Once it is sliding, though, it takes only 1.50N to keep the book moving with constant speed. What are the coefficients of static and kinetic friction between book and tabletop?

Q. Iron has a density of 7.870 g/cm3, and the mass of an iron atom is 9.27 × 10-26 kg. If the atoms are spherical and tightly packed, (1) what is the volume of an iron atom and (2) what is the distance between the centres of adjacent atoms?

Reference no: EM1372307

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