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3h
awarded  Popular Question
Jun
4
revised Is the meander ratio of a river $= \pi$?
edited title
May
23
accepted Is the meander ratio of a river $= \pi$?
May
23
revised Is the meander ratio of a river $= \pi$?
added 656 characters in body
May
23
asked Is the meander ratio of a river $= \pi$?
May
6
answered Have negative pressures any physical meaning?
May
5
revised Pendulum Wave Period
deleted 18 characters in body
May
5
revised Pendulum Wave Period
deleted 18 characters in body
May
5
revised Pendulum Wave Period
edited body
May
5
revised Pendulum Wave Period
added 59 characters in body
May
5
revised Pendulum Wave Period
added 59 characters in body
May
5
answered Pendulum Wave Period
May
4
awarded  Talkative
Apr
15
accepted How much refraction occurs as a fraction of all reflection and refraction?
Apr
14
revised How much refraction occurs as a fraction of all reflection and refraction?
added 25 characters in body
Apr
14
asked How much refraction occurs as a fraction of all reflection and refraction?
Apr
14
revised How much effect does the Bernoulli effect have on lift?
added 141 characters in body
Mar
12
comment How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?
Thank you, Qmechanic.
Mar
12
comment How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?
I intuit equation (2), but why cube $\delta(\mathbf{r}-\mathbf{r_i})$?
Mar
12
accepted Proof that flux through a surface is independent of the inner objects' arrangement