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I need some help...
sabri
11/10/02 at 14:20:28
[slm]
  Ok, since this is about food, I thought I might post it here. Just when Ramadan is upon us, I have to do this : http://www.ce.ufl.edu/activities/recycle/dtcstu.html

I'm thinking of going for the seesaw design.  I can avoid eating it (one of my team members can do that), but, what I'd like are ideas. More specifically, ideas about what foods to use. So, ideas anyone?

Testing begins Nov. 19th, final testing - Nov 26th.
[wlm]
11/10/02 at 15:32:17
sabri
Re: I need some help...
Aadhil
11/12/02 at 19:53:38
[slm]
You could use a potato as the base(youd have to cut it into a triangular shape though). You could also use a slab of chocolate as the swinging part, and finish it off with smaller chocolates as the weights. ;-) :-/
[wlm]
Re: I need some help...
sabri
11/13/02 at 12:11:44
[slm]
   I think that kind of scale would be hard to balance. I would prefer to use
a rod through seesaw beam mechanism.
[wlm]          
Re: I need some help...
Aadhil
11/13/02 at 17:54:28
[slm]
The rod might break.  ???
Unless you use a candy cane 8) ;-)
[slm]
Re: I need some help...
theOriginal
11/14/02 at 07:50:25
[slm]

Are you sure this is a safe experiment....I mean for your mental health?   ;D

It looks SO complicated. You construct the IES.....weigh the object....and then eat the IES?  Am I right?  Will they take the weight of the IES into account?  And will the object be edible too?  Because you don't know what it is.

Why don't you MAKE the stuff you will eat.  I mean...I don't know if you know what samosas are, but you can find the pastry stuff in some south asian store....spread a floury paste on it, and then FRY it in oil till its hard.  Might taste nasty, but why will you be picky?  ;)  You can even roll it lengthwise into a rod...although I don't know why you would need a rod.

Spatial physics reminds me of my last year in HS.  I have never pulled so many all-nighters (or hair for that matter) in my life.  My tacher once gave us a piece of paper and an egg.  She then told us that we were to make that egg drop one story without cracking it, using that ONE sheet of paper.  I'm so glad that's over with.

Good luck.

SF.
Re: I need some help...
bhaloo
11/14/02 at 09:08:19
[slm]

[quote author=theOriginal link=board=kabob;num=1036956029;start=0#4 date=11/14/02 at 07:50:25]  My tacher once gave us a piece of paper and an egg.  She then told us that we were to make that egg drop one story without cracking it, using that ONE sheet of paper.  I'm so glad that's over with.[/quote]

Hmmm, that's a hard one.  Crumple the piece of paper, put the egg on top of it, say Bismillah, and drop the egg? ???   I remember for one job interview, the guy asked me how many ping pong balls will fit in the passenger section of an aircraft.  That was a lot easier then your HS physics one.  
Re: I need some help...
sabri
11/14/02 at 14:02:22
[slm]
  Ok jazakumullahu khair you guys. I've almost finished it. I used a candy cane (thanks Aadhil), some wafer strips with holes cut in them, and biscuits,
also with holes. I used milk toffees for glue (for the trays, etc) after melting it in the microwave. I also used the toffees to calibrate the scale. I think I've found someone to eat it. I can't do it (alhumdulillah!) because I'll be fasting on the 25th insha Allah. The objects to be weighed are presumably inedible and should be provided by the instructor.
[wlm]
11/14/02 at 14:05:30
sabri
Re: I need some help...
Aadhil
11/14/02 at 16:32:16
[slm]
You know what the joke is though...Since Sabri will be fasting, somebody else will have to eat it! So Sabri just escaped from a tummy ache. :D ;) ;-)
[wlm]
Re: I need some help...
theOriginal
11/14/02 at 17:37:13
[slm]

Sounds so exciting.....Can I ask what class this is for?  And what are you majoring in?  (I don't need to know the answers, although I would like to...but to your discretion, of course.)

As for the egg thingy...

The only way it's actually possible if you roll the paper into a cone shaped thing, put the egg in so that the narrower part is to the bottom (or was it the top ??? ), and then drop the pointy end of the cone first.  

So, bro bhaloo, how many ping pong balls WILL fit into the passenger side of a plane?  Better question still -- what kind of a job were you being interviewed for?   :-/

Wasalaam

SF.
Re: I need some help...
sabri
11/14/02 at 22:01:08
[slm]
   This is for an introductory engineering course. My major is computer engineering.
[wlm]
Re: I need some help...
bhaloo
11/15/02 at 08:34:07
[slm]

[quote author=theOriginal link=board=kabob;num=1036956029;start=0#8 date=11/14/02 at 17:37:13] So, bro bhaloo, how many ping pong balls WILL fit into the passenger side of a plane?  Better question still -- what kind of a job were you being interviewed for?   :-/
[/quote]

I think the guy intervieiwing me was just trying to throw in an odd ball question and see how I would react to something off the wall and how I would solve it.  The job was for a software engineering position.  After he asked me the question, I remembered something a pre-calculus teacher I had in math class saying.  He was telling us how companies like UPS use calculus to solve problems of this nature (what kind of boxes to use in such spaces and how to MAXIMIZE space).  Unfortunately I couldn't  remember how to solve it by calculus.  But I thought about it for a few seconds  and explained to him how I would do it.  First I thought about the ping pong ball.  If we put in ping pong balls in some container theres going to be gaps between them, such that you could take a cube with dimensions equal to the diameter of the ping pong balls and fit them into a rectangular container.  Ok, so now instead of ping pong balls I was working with cubes.  The next thing to do was calculate the volume of the passenger section.  Well an airplane compartment is like a cylinder that is cut in half (a semi-circle cylinde).  So what I did was calculate the volume of a cylinder.  PI*r^2 and multiplied it by the length.  Then I divided it in half and so I had the volume of the passenger section.  I divided it by the cubes and so now I knew how many cubes could fit in there.  Of course the shape of the cylinder was rounded so maybe a few extra ping pong balls could fit in, but this was the best answer I could come up with.   I got the job (it happened a year ago), but to this day I can't figure out the calculus equations and methodology for solving it.  I know it has to do with maximizing space, and I can remember the teacher talking about it, but I can't remember what he said, heheheh.  If anyone knows, let me know.

Wow, the egg one was interesting, I don't think anyone would have guessed it.


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