Recent content by young physical

if a charged particle ic located inside a shell of uniform charge there is no net electrostatic force on the particle from the shell. 1st is this fact? 2nd if it is so please explane it to because there is some distance between the particle and other chargeds in shell every one has different...

mr.bernhard.rothenstein mr. pmb_phy mr.Sheyr thank you very mush my frinds that very useful. but I'm sorry i can't discussing your replies because i have examination, but i promise you i'll back in the end of next week & i'll continue the discussion. i'm very sorry. young physical

((mass and volume are two independent physical quantities. density is defined as a function of boss. detected from two different inertial reference frames density has different values. if you are interested how it goes have a look at http://arxiv.org/abs/physics/0505190) ) mr...

(I'm not sure what you mean. An moving object, measured in your coordinate system, will have a smaller length (in the direction of motion) than if it were not moving in your coordinate system. Yes, as it speeds up (still as measured in your coordinate system) you will see it shrink. I'm not sure...

hi everybody how are you?:smile: this is the first time i write here , i hope i be good frind for you , & I'm sorry about my language , but i think I'm not very bad:wink: :smile: . i have a quetion about the special theory of relativity? Einstein sied" when the speed is increase the...