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Mechanics

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Joined:	11 Jun 2007
Post:	1048

23 Nov 2007 19:13:35 IST

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5209

New Challenge (IIT'92)

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5 Salutes to one who gets it right.

(No Diagram given)

Q)A sledge filled with sand slides down without friction down
a 30⁰ slope.Sand leakes out through a hole in the sledge at
a rate of 2 Kg per second.If the Sledge starts from rest
from the top of inclineand if total initial mass of Sledge is
40 Kg, How long does it take to go down 120 metre in the
plane?

Everyone who gives a good effort will be rated.
Solution will be posted tomorrow by 4.00 pm.

ALL THE BEST.....WISH YOU ALL GOOD LUCK.

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Laksahy Narula

Cool goIITian

Joined: 18 Nov 2007

Posts: 52

14 Dec 2007 21:43:44 IST

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hey guys
in Biki an.s..
He hasnt considered the momentum of the system!! even the momentum of the mud which comes out of the sledge must be considered!!..
if i m rong temme y?

Laksahy Narula

Cool goIITian

Joined: 18 Nov 2007

Posts: 52

19 Dec 2007 21:43:29 IST

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????

Priyak Dey

Scorching goIITian

Joined: 24 Sep 2009

Posts: 266

3 Oct 2009 00:43:24 IST

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plz sir do not post d soln...........1st i shud try......I NO I GONNA MAKE BLUNDER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!BT IL TRY>>>>>>>>>>PLZ DNT POST THE SOLN

spiderman

Blazing goIITian

Joined: 29 Oct 2008

Posts: 536

3 Oct 2009 00:50:01 IST

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dude look at the date of posting ..

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