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Jul
10
revised Frequency of Vortex Shedding
added 5 characters in body
Jul
10
asked Frequency of Vortex Shedding
Jul
2
awarded  Yearling
Mar
21
revised Direction of rotation of proton in magnetic field--opposite to a dipole
I've included the important arguments that I made in the deleted comments so that everyone can read.
Mar
21
revised Direction of rotation of proton in magnetic field--opposite to a dipole
I included the important arguments that I made in the deleted comments so that everyone can read.
Mar
19
comment Direction of rotation of proton in magnetic field--opposite to a dipole
Sure, let's continue there
Mar
18
accepted What really cause light/photons to appear slower in media?
Mar
18
accepted How does paper make sound when it is torn?
Mar
17
awarded  Critic
Mar
17
revised Direction of rotation of proton in magnetic field--opposite to a dipole
added 101 characters in body
Mar
16
revised Direction of rotation of proton in magnetic field--opposite to a dipole
added 1 characters in body
Mar
16
answered Direction of rotation of proton in magnetic field--opposite to a dipole
Nov
7
comment Charge on Sphere due to Contact with Capacitor
@RonMaimon Actually it's a simplified ping-pong resistor. It comes from this year's physics olympiad screening problem in my country, but it turns out to be too difficult.
Nov
7
comment Charge on Sphere due to Contact with Capacitor
Thanks a lot for your answer.. It takes me hours to understand your work, finally I understand it and I think it seems convincing!
Nov
7
awarded  Scholar
Nov
7
accepted Charge on Sphere due to Contact with Capacitor
Oct
24
comment Charge on Sphere due to Contact with Capacitor
I can follow your explanations, but I still don't know how to proceed to the end
Oct
24
comment Charge on Sphere due to Contact with Capacitor
I don't think we can generalize the case that easily, because a half cylinder or a hemisphere is different with a complete sphere. Because the case of a complete sphere is quite special, the dipole distribution cancels, therefore we need to consider the higher order effect.
Oct
16
comment Charge on Sphere due to Contact with Capacitor
I don't quite understand your method yet, but, sounds promising! I'm looking forward for the details
Oct
15
comment Charge on Sphere due to Contact with Capacitor
I've changed the title. Maybe what you meant by "induction" is en.wikipedia.org/wiki/Electrostatic_induction ? However I can still safely claim that it is an induction, the sphere and the plate in touch can be considered as one. Some charge will be induced on the sphere due to the other plate's field