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pi bouncing balls

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Author: link0007

Group: Default

Filesize: 5.68 kB

Date added: 2012-03-13

Rating: 6.1

Downloads: 1061

Views: 2414

Comments: 7

Ratings: 3

Times favored: 1

Made with: Algodoo v2.0.0 Edu

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purple ball mass = M
blue ball mass = m

Hypotheses:
If M = m(16*100^n), where n is positive integer, then the number of times the blue ball bounces against the purple ball before the purple ball starts to move backwards is equal to the first (n+1) digits of Pi.

See: http://www.youtube.com/watch?v=abv4Fz7oNr0
Last edited at 2012/03/18 03:50:06 by tatt61880
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That is very cool. 10/10 for Maths & Physics theory. :tup:

Ps, you can embed the video with [youtube] tags.

Edit; Link, i bet you watch that video and thought "I'll try that in algodoo"
Last edited at 2012/03/13 14:58:16 by Nxdt
why don't you script it to stop counting on negative speed?
I tried, but apparently I needed your velocity scripts or something to do that. If you know how to get that working, please help me out. It would make the counting a lot better.
Is it also possible to only count collisions with the blue ball?
Cool!
I don't know how you did it but clever all the same
Link you could write an if_then_else statement and have it only count when it collides with the blue ball:

(e)=>{{e.other.color == [0.62000000, 1.0000000, 0.98829544, 1.0000000]} ? {scene.my.n = scene.my.n + 1} : {}}

Very cool scene! 10/10 :)
Last edited at 2012/03/14 13:39:17 by 9373
@link0007
Very cool!
I've improved the script.:)
(e)=>{((readable(e.this)).vel(0) > 0 && (e.other + "" == "circle")) ? {scene.my.n = scene.my.n + 1} : {}}
I suggest to change color of count-box into black for readability.:)

NOTE: When I uploaded scene responce, I've accidentally edited this scene (It says "Last edited at 2012/03/15 11:52:34 by tatt61880"), sorry. I've fixed it immediately.
Last edited at 2012/03/15 11:55:49 by tatt61880
hey Xray. the first user was made in 1970 on the first of january. HOW???????????????????????????????????????????????­?????