The density of states functions in quantum mechanical distributions give
b.
The density of states functions are vital to quantum mechanical distributions because they give the number of energy states per unit of energy range. Without this number, the functions to find the numbers of particles at a given energy level range would be useless.
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Which wavelength band uses observatories on aircraft?
a. ultraviolet b. visual c. infrared d. X-ray
A sprinter moving at 10 m/s slows down at a rate of 1.4 m/s2. How fast is the runner moving after 4 seconds?
A. 5.8 m/s B. 15.6 m/s C. 0 m/s D. 4.4 m/s
You need to make a sharp turn on a flat road, making a radius of curvature of 15 meters. How does the required force of static friction between your tires compare if you make the turn at 30 mph vs. 60 mph?
A) The force of friction needs to be four times as large. B) The force of friction needs to be twice as large. C) the force of friction is the same for both speeds since the radius of curvature is the same. D) None of the above
For an element to have an allotropic form it must have
a) more than one oxygen atom in its chemical formula. b) the ability to exist in more than one phase at room temperature. c) 4 electrons in its valence shell, so that it can easily gain or lose electrons d) two or more forms with different bonding structure in the same physical phase.