Calculate the number of atoms per unit volume in face centered cubic (FCC) silver (Ag) assuming that the lattice parameter (a) for Ag is 0.407 nm.
What will be an ideal response?
Since Ag is cubic the volume of a unit cell is
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An object more massive than the Sun, but roughly the size of a city, is a:
A) supernova remnant. B) white dwarf. C) brown dwarf. D) neutron star. E) red dwarf.
Ball A is thrown upward with a velocity of 19.6 m/s. Two seconds later ball B is thrown upward with a velocity of 9.8 m/s. Which ball is first to return to the thrower's hand?
A. A will arrive first B. B will arrive first C. A and B will arrive at the same time
What do we mean by hyperspace?
A) It is any space with more than three dimensions. B) It is another word for spacetime. C) It is a space through which it is possible to travel fast. D) It is a space with a hyperbolic geometry.
The Trojan asteroids orbit the Sun at an average distance of ________.
A. 60 behind B. 60 ahead C. 100,000,000 miles D. 5.2 AU