Electronic Circuits Projects Diagrams Free

Electronic Circuits Projects Diagrams Free - Math and Physics http://www.electro-tech-online.com/ Discuss the complex nature of mathmatics and physics relating to electronic circuitry. en Sat, 21 Nov 2009 06:01:14 GMT vBulletin 60 http://static.electro-tech-online.com/images/misc/rss.jpg Electronic Circuits Projects Diagrams Free - Math and Physics http://www.electro-tech-online.com/ percent help http://www.electro-tech-online.com/math-physics/100233-percent-help.html Thu, 19 Nov 2009 15:52:25 GMT hey guys this should be simple math but heh havent been to school in so long. i know percentage for normal usage like 10% of 29 is 2.9 but what... hey guys this should be simple math but heh havent been to school in so long.

i know percentage for normal usage like 10% of 29 is 2.9 but what happens when 0 isnt the least?

like if i have a number from 20 to 60 how do i do it?

the lest is 20 (which is my 0) the most is 60(which is my 100) how do i calculate what 30 would be in percentage? ]]> Math and Physics AtomSoft http://www.electro-tech-online.com/math-physics/100233-percent-help.html prove or desprove lenearity.. http://www.electro-tech-online.com/math-physics/99596-prove-desprove-lenearity.html Tue, 03 Nov 2009 22:27:29 GMT y(t)=e^{-t}x(t) i need to prove lenearity by constant and by addition $ y(t)=e^{-t}x(t) $

i need to prove lenearity by constant
and by addition

$ y(t_1)=e^{-t_1}x(t_1) $
$ y(t_2)=e^{-t_2}x(t_2) $
$ y(t_1)+y(t_2)=e^{-t_1}x(t_1)+e^{-t_2}x(t+2) $

$y(t_1+t_2)=e^{-t_1-t_2}x(t_1+t_2)$

i dont know if $y(t_1+t_2)= y(t_1)+y(t_2)$
? ]]> Math and Physics transgalactic http://www.electro-tech-online.com/math-physics/99596-prove-desprove-lenearity.html witricity http://www.electro-tech-online.com/math-physics/99400-witricity.html Thu, 29 Oct 2009 18:09:39 GMT i want to know how can i perform the witricity experiment??? how to make self resonant coupled copper coils having same resonant frequency? i want to know how can i perform the witricity experiment???
how to make self resonant coupled copper coils having same resonant frequency? ]]> Math and Physics surajmit http://www.electro-tech-online.com/math-physics/99400-witricity.html Light http://www.electro-tech-online.com/math-physics/99256-light.html Mon, 26 Oct 2009 17:35:19 GMT Hello,
we recently learned about light interference and Young's experiment and we also learned that a beam of light (the photons in that beam) can cause a discharge of a metal such as Zinc.
What we also learned was that two beams of lights can hit each other and pass without any change what so ever.

So i thought that on a dark line of young's experiment the photons would still be there even though we can't see light. I asked my teacher if putting a charged plate of zinc in a dark area would cause it to discharge.
She couldn't say; so here i am looking for an answer on this forum.

Excuse me if i didn't use scientific terms, but i'm french educated, so i get physics in french

Thanks ]]> Math and Physics trennonix http://www.electro-tech-online.com/math-physics/99256-light.html