Physics, 10.07.2019 22:20 jesicaagan
Particle occupies a in a classical gas, the probability is negligible that more than one given single particle state. the mean occupation number of a single particle state s in which the particle has translational energy 8," is given by 3/2 h2 n |exp(-be,") v 2ttmkt (a) write down an and hence find its de broglie wavelength adb- expression for the momentum of a particle with translational energy [2 marks] (b) assuming that the mean translational kinetic energy of a molecule is kt , show that the condition for a classical gas is satisfied if adb < < l where l is the mean separation of the molecules. [6 marks] (c) why do you expect the condition adb < < l to correspond to the classical regime?
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Physics, 22.06.2019 15:10, Bgreene2377
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
Physics, 22.06.2019 19:00, sanchez626
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Physics, 23.06.2019 00:30, maloynegen7681
Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
Answers: 1
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