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Physics Nerds

For all nerds who LOVE PHYSICS :)

Location: UK
Members: 151
Latest Activity: Jun 25

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Comment by Diec "Pikachu" on June 23, 2014 at 9:35am

E^2=(mc^2)^2+(pc)^2

Comment by Kyle Clarke on June 17, 2014 at 4:37pm
I just passed Physics 1 Honors so forgive me for any misunderstandings. With that said it seems that as the thickness of the coin increases it has a greater chance of landing on the side, even though the increase left it with a smaller surface area. So a coin with a diameter or 2.5cm would need a thickness of 1.44cm? I feel like there's some big thing I'm not getting though. Thank you for those links. They helped a lot and I'm still re-reading it.
Comment by Sylvain Janet on June 17, 2014 at 10:15am

Not really. It depends of what kind of assumptions you made to understand how a coin flip is made. It's been a long time since the question was asked, so I assume the solution can be posted without spoiling anything.
I'll not give you the solution, but rather how to understand how to come up with it. Just read the following links :

http://mathforum.org/library/drmath/view/52225.html for a first glance of the problem
http://www.seas.harvard.edu/softmat/downloads/2011-10.pdf for a deeper explanation (resources are given if you are interested in understanding the problem even deeply)

Comment by Kyle Clarke on June 17, 2014 at 9:48am
For Kurran's question: Would it be a cylinder with a height equal to the diameter of the face of the coin?
Comment by aj on July 15, 2012 at 2:59pm

easy. we were all out partying, and we are just getting over the hang over.

scientists party hard !

Comment by Han "John" P on July 14, 2012 at 10:08pm

I wonder why nobody posted anything about the discovery of a new boson on July 4, 2012.

Comment by Carolina Alexandra on July 8, 2012 at 1:50pm

I think it would probably look like a die.

Comment by Bnoffeepi on July 8, 2012 at 1:24pm

A Pyramid? 

Comment by Kurran Lawrence on July 3, 2012 at 5:49pm

Here's a fun physics question. 

What should be the dimentions of a coin that has probablity of 1/3 to fall on its obverse (heads) side, 1/3 on its reverse (tails) side, and 1/3 on its edge?

No, I did not make this question up.  10 points to anyone who can figure it out.

Comment by Dave Tarragon, NerdFighting Herb on July 3, 2012 at 1:25pm

I heard of it. I'm actually visiting the LHC on Thursday. :D

 

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