Recent content by vijay_singh

Thanks for responding. May be I didn't make it very clear in my question, it is not the solution of the problem but some part of approach which I can't understand. And following is what I don't understand why is \begin{pmatrix}2\\1\end{pmatrix} considered a "vector" (How is it...

I am reading "Linear Algebra" by Strang. In the first lesson, he talks about how to solve equations with 2 unknowns and he shows 2 approaches i,e row approach and column approach. I understand the row approach because it makes sense. I understand the column approach too, but I don't understand...

I know people have already tried to give an explanation, but I would recommend you to browser Thomas's Calculus book and look for section 3.8. I am glad I looked it up, I had the same question for ages. Its no fun solving problems when you know you don't understand the first principles.

Thanks Jgens, for pointing me to right direction.

And what did I say :-)

I see in many text that a = dv/dt implies that dv = a dt How is that possible, can anybody please explain me. As far as i know dv/dt is a symbol for derivative of v w.r.t t and not ratio between dv and dt.

Thank you all for responding and confirming the answers.

Hi I was reading a general physics book and wondered how would a man on Earth appear to somebody watching from outer space. Say for example a man on Earth just drops a ball from his hand, will it appear to somebody watching from outer space, as if the ball is released tangent to the spin...

Thanks Nabeshin, your explanation makes sense. Vijay

Can anybody please explain why the ball dropped from a moving train appears to take a parabolic path w.r.t the frame of reference of a person standing at the platform? Thanks

Hi I tried to derive the distance traveled by a body at contact acceleration from the definition of acceleration (increase in speed every sec), but the ended with a different result. Can you see what I am doing wrong. u = initial speed t = time taken S = {distance in 1st sec} +...

Just testing $ V_{bw} $ = $ V_{b} $ - $ V_{w} $ ********************************************* Thanks guys. But Seems like LyX doesn't generate correct source. I had to put spaces and some dollars my self. What do you people use to generate latex source.

Thank you guys. I guess this is what happens when there is literal translation from russian to english.

Hi I am first time user of LATEX. I have LyX editor where I am able to create LATEX documents. But I couldn't find any clear solution for pasting that LATEX content into my posts in the forum. Is there any simple way to copy LATEX document from the editor to forum posts?

Hi Following is a question from "Problems in General Physics - Irodov". I think I should be able to solve this problem but I don't get a part of the question. Wondering if somebody can clarify what does " velocity which is n=2 times less than the river flow velocity" means is mathematical...