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Dec
22
comment Potential functions
can you give some reference to such functions? It might be helpful
Dec
18
comment Is a signal traveling through fiber faster than a signal traveling through copper?
@Frédéric now i do understand my mistake. I realized that signal is an voltage or electric field rather than frequency of alternating current. But if I put one end of wire here and other other half way around the world, my question is how fast will it take to reach the signal. I guess electric field travels at the speed of light.
Dec
16
comment Is a signal traveling through fiber faster than a signal traveling through copper?
@Frédéric I do understand the speed of signal is the speed of waves inside the cable. I was merely implying that the waves are the flow of electrons in the cable after all (because it is impossible to transfer signal as heat). and certainly the rms speed of electrons is in the order of 10*6 or something. while the speed of light in the optical fiber is at the speed of light. so .. correct me if i am wrong.
Dec
16
awarded  Commentator
Dec
16
comment Is a signal traveling through fiber faster than a signal traveling through copper?
I think the speed of signal in copper is related to rms speed of electron that is significantly less than speed of light.
Dec
6
comment Why do liquids separate in space with no gravity?
Comparable to Liquid Drop Nuclear Model. The tension in the liquid is conserved and liquid breaks if the tension breaks the limit. If tension is unable to break the liquid drop then it stays as it is.
Dec
6
accepted Coulomb force in SI and cgs
Dec
6
comment Coulomb force in SI and cgs
Isn't charge supposed to be inherent property of nature like mass
Dec
6
asked Coulomb force in SI and cgs
Dec
3
revised Relation of angular speed of a rigid body to Euler's Angles
added 714 characters in body
Dec
3
comment Relation of angular speed of a rigid body to Euler's Angles
I think my question is wrong please see my edited question again and my apologies for it. And thank you for the answer.
Dec
2
revised Relation of angular speed of a rigid body to Euler's Angles
fixed grammar
Dec
2
revised Relation of angular speed of a rigid body to Euler's Angles
edited title
Dec
2
revised Relation of angular speed of a rigid body to Euler's Angles
deleted 6 characters in body
Dec
2
asked Relation of angular speed of a rigid body to Euler's Angles
Nov
28
asked Is rotational motion relative to space?
Nov
26
comment Transmission of energy in medium and wave nature (periodicity)?
i do agree with you in case of conduction takes place in wave like fashion. But in case of convection, the medium itself is moving and according to debrogile hypothesis evey thing acts like wave and particle. Of course it satisfies wave proterty(is some way) but since the medium itself is moving, this does not qualify the criteria of my question. My belief is that if energy is transmitted through a medium as a wave so i was testing if my belief was right or wrong. However, i need some time to confirm that since you are not explicit in your last paragraph.
Nov
26
awarded  Supporter
Nov
25
comment Transmission of energy in medium and wave nature (periodicity)?
@Marek: I think Convection is not wave like because it is diffusion. Does energy transfers in wave like fashion in diffusion where particles itself transfers from one place to another without returning to its normal position. However, in conduction i am quite confused.
Nov
25
awarded  Teacher