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Jan
25
answered Same equation, different meanings
Jan
22
answered Why are these equations valid despite seemingly inconsistent units?
Jan
7
answered Why are significant figure rules in Multiplication/Division different than in Addition/Subtraction?
Dec
28
answered What is $\gamma$ in the qutrit?
Dec
27
answered Why isn't $E=mv^2$ a general formula for energy?
Dec
4
answered Good books on elasticity
Nov
28
answered Can momentum have a complex expectation value?
Nov
24
answered Can a particle have no instantaneous velocity at all points of the path taken but a finite average velocity?
Nov
6
answered Does a conservation of momentum problem need to specify velocity, not just speed?
Nov
1
answered Does $g_{\mu\mu}$ in an expression follow the Einstein summation convention?
Nov
1
answered Why do these calculations of EM fields for a magnet and wire loop seem inconsistent?
Oct
26
answered What's the right way to calculate power consumption over a month given a rate per minute?
Sep
23
answered Calculating force repulsive between a line segment and a point
Sep
21
answered Is there a rigorous definition of 'much greater than'?
Sep
16
answered Flux of electric field through a closed surface with no charge inside?
Sep
8
answered Lower limit of acceleration in newton's second law
Sep
4
answered Prove that if $\hat H | a_n\rangle=a_n|a_n\rangle$, then $f(\hat H)| a_n\rangle=f(a_n)|a_n\rangle$
Aug
31
answered When/why does the principle of least action plus boundary conditions not uniquely specify a path?
Aug
31
answered Shouldn't dark matter distort light and therefore be directly detectable?
Aug
23
answered Which 'error' to choose random or absolute?