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#1 Posted 7:52pm 17-04-09 17-04-09 Time for something interesting?Find the moment of inertia of a cube of side a along its diagonal.
-when spring comes, it melts the snow one flake at a time… |
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#2 Posted 8:08pm 17-04-09 Re: 17-04-09 Time for something interesting?sir body diagonal or the face diagonal??
There are two things you should never try to prove ...... the impossible and the obvious ;) |
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#3 Posted 8:09pm 17-04-09 Re: 17-04-09 Time for something interesting?body diagonal
cet on 12th may |
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#4 Posted 8:10pm 17-04-09 Re: 17-04-09 Time for something interesting?yes body diagonal...
-when spring comes, it melts the snow one flake at a time… |
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#5 Posted 8:15pm 17-04-09 Re: 17-04-09 Time for something interesting?[image]15479508.jpg[/image]
There are two things you should never try to prove ...... the impossible and the obvious ;) |
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#6 Posted 8:20pm 17-04-09 Re: 17-04-09 Time for something interesting?is it Ma[p]2[/p]/3(6[p]1/2[/p]) ?
blah............................ Edited on 8:48pm 17-04-09 |
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#7 Posted 9:11pm 17-04-09 Re: 17-04-09 Time for something interesting?how?
Plan ur work and work out ur plan! |
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#8 Posted 9:14pm 17-04-09 Re: 17-04-09 Time for something interesting?ISKO KARNE KE LIYE 3D AANA CHAYIYE BY THE WAY ITS NOT A M.O.I QUESTION IT IS A 3 D QUESTION [hide] formulae yaad karne hai abhi kal tak kar doonga isko[/hide]
There are two things you should never try to prove ...... the impossible and the obvious ;) |
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#9 Posted 10:24am 18-04-09 Re: 17-04-09 Time for something interesting?bhiayya do u have ans for this q this one seems to be a supertoughie |
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#10 Posted 10:29am 18-04-09 Re: 17-04-09 Time for something interesting?yes celestine.. This one is a super toughie. It just came to my mind when I was sitting and I gave it.. But I think we can manage it by taking cross sections perpendicular to the diagonal? can we?
-when spring comes, it melts the snow one flake at a time… |
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#11 Posted 10:34am 18-04-09 Re: 17-04-09 Time for something interesting?no dont think its possible that way as distance would vary for the parts of cross section |
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#12 Posted 10:36am 18-04-09 Re: 17-04-09 Time for something interesting?yup that is true.. but I am banking on being able to find the MI of each of the cross sectional planes!
-when spring comes, it melts the snow one flake at a time… |
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#13 Posted 9:45pm 19-04-09 Re: 17-04-09 Time for something interesting?yes this is tough ... I learnt some more on moment of inertia and came to know about tensors ... then actually it becomes very straightforward .. we get MOI = Ma[p]2[/p]/6 the same !!
All play and no work makes Rohan a full boy !. |
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#14 Posted 3:16pm 09-02-10 Re: 17-04-09 Time for something interesting?nishant sir please tell this one!
God made the laws only nearly symmetrical so that we should not be jealous of His perfection!- Feynman |
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