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Dec
9
awarded  Custodian
Dec
9
awarded  Necromancer
Dec
9
reviewed Approve Pion production in proton-proton collision
Nov
1
awarded  Popular Question
Aug
10
accepted Event times in different reference frames in the context of Special Relativity
Aug
9
asked Event times in different reference frames in the context of Special Relativity
Jul
31
accepted Understanding the difference between co- and contra-variant vectors
Jun
10
asked How to calculate magnetic flux density in gap
Jun
10
revised Gauss law for gravitational field
added 907 characters in body
Jun
10
answered Gauss law for gravitational field
Jun
3
asked Image charges for currents?
Apr
22
accepted Distinguishing between prepared and unprepared states Stern-Gerlach experiment
Apr
20
asked How to understand Density of States with dispersion relation
Mar
16
asked Distinguishing between prepared and unprepared states Stern-Gerlach experiment
Mar
15
comment Definition of charges
Well using your definition it does have an excess of electrons; there are no other counterparts to neutralize it so there is an excess of exactly 1 electron?
Mar
8
awarded  Notable Question
Jan
27
asked Trouble getting the matrix representation of a 4-state Hamiltonian
Jan
13
comment Average kinetic energy of molecules hitting a surface
@JonCuster It's something I've seen in both Thermodynamics textbooks and in my lecturers notes; would you mind proving its invalidity?
Jan
13
comment Average kinetic energy of molecules hitting a surface
@CarlWitthoft It is a fact that I am given, the question as is identically: "Using the results of Q3.3, show that for a gas obeying the Maxwellian distribution, the average energy of all the molecules is $(3/2)k_{B}T$, but the average energy of those hitting the surface is $2k_{B}T$" Where in Q3.3 I showed that the speed distribution was defined as: $$\widetilde{f}(v)\:\mathrm{d}v = \frac{4v^{2}}{\sqrt{\pi}v_{th}}\exp\left(-\frac{v^{2}}{v_{th}^{2}}\right)\: \mathrm{d}v$$ And calculated that generally: $$\langle v^{n} \rangle = \frac{2v_{th}^{n}\Gamma(\frac{3+n}{2})}{\sqrt{\pi}}$$
Jan
12
asked Average kinetic energy of molecules hitting a surface