IIT JEE , AIEEE Forum - Physics , General - OUT OF 8 COINS 1 IS SLIGHTLY HEAVIER THAN OTHER HOW TO DISTINGUISH BY ANALYZING GIFT F AN

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28 May 2008 00:43:49 IST

Subject: Re:OUT OF 8 COINS 1 IS SLIGHTLY HEAVIER THAN OTHER HOW TO DISTINGUISH BY ANALYZING GIFT F

divinexsoul (69)

Cool goIITian

total posts: 89
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easy

ROLL THEM DOWN AN ENCLINED PLANE

HEAVIER ONE WILL REACH FIRST!!

CONSIDERING COIN AS A DISC I=1/2MR(SQUARE)

AND $g'=g/\sqrt{1+I/MR{}^{2}}$ would be same for all since mass will cancel

but in mg' the greater mass coin wins

this reply: 0 points (with 0 Olaaa!! Perrrfect answer.

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