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Robb Phoenix

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Robb Phoenix

The circle with center infinity with infinite radius is the point zero on the complex plane?yes,no,why?

something my prof asked me..maybe has something to do with the one point compactification of the complex plane to define the infinity..not sure how the centre can be zero once you specify its at...
15:19 Wed 29th Dec 20108 answers, last by Robb Phoenix 12:43 Thu 30th Dec 2010
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Robb Phoenix

Angular displacement of a rotating bar

A ball of weight m is fixed at the end of a rod of length l. The rod is pivoted about a point on a stationary surface. If theta is the angle at which the bar is to the ground, after t seconds, what is...
01:17 Thu 08th Jul 20104 answers, last by factor30 20:07 Fri 09th Jul 2010
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Robb Phoenix

Societal experiment

I did a brief stint (ard 4 months) in AB last year and sort of lost contact with the site. Does anyone remember me here(no peeking in profile)? (i used to do this section and the science section). I...
20:27 Sat 23rd May 200916 answers, last by Ankou 16:55 Wed 27th May 2009
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Robb Phoenix

Removed answer

One of my answers was removed some time back- I don't know which or why.Is there any way I can find out?
22:57 Thu 08th May 20082 answers, last by bimbim 09:24 Sun 11th May 2008
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Robb Phoenix

Is there any other website like answerbank

where you can post questions and answers?
18:03 Tue 15th Apr 20087 answers, last by Buenchico 00:53 Sat 26th Apr 2008
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Robb Phoenix

Green highlightings

Why are some of the names in answerbank highlighted with green?
21:30 Wed 17th Oct 200721 answers, last by Robb Phoenix 20:09 Thu 18th Oct 2007
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Robb Phoenix

Speed keeps ya young

If I travel say near light speed to a distant planet and return back to earth, Why the heck do i age less than the people on earth? What are the other ways to slow/speed time?
22:20 Sat 29th Sep 20074 answers, last by mibn2cweus 05:50 Mon 01st Oct 2007
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Robb Phoenix

Constant speed of light

If a man in a car is going at say 200km/h fires a bullet which travels at a speed of 400km/h: 1. the bullet will hit a stationary vehicle ahead it at 600km/h 2. " " " behind it at 200km\h Q1.But if a...
22:12 Sat 29th Sep 20079 answers, last by mibn2cweus 10:30 Wed 03rd Oct 2007
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Robb Phoenix

Expanding Universe?

If the Universe is expanding then an observer at one point in the universe would see all the points moving away from him ( like the dots on an inflating baloon) , then why do Galxies cross in the path...
22:05 Sun 23rd Sep 20075 answers, last by mibn2cweus 07:01 Tue 25th Sep 2007

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