Dum Hai to Answer Karo : DK

JEE Mains 2015 Discussion Forum › Mechanics questions › Dum Hai to Answer Karo : DK

Suppose a hollow sphere is taken. The Sphere is now filled with a non-viscous fluid. What is the change in the Rotational Kinetic Energy ??

#Physics #Mechanics

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7 Answers

1

Arshad ~Died~ ·2009-11-20 21:42:59

i thnk that a sphere filled with non viscous fluid can be treated as a solid sphere....am i rite....????
anyone???

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Bicchuram Aveek ·2009-11-20 21:55:23

Nope :-)

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Subhomoy Bakshi ·2009-11-20 21:56:04

correct........i also think so....so the exp becomes 2Mr²/₅
from 2mr³......

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Bicchuram Aveek ·2009-11-20 21:58:50

Sorry ATGS........lay more stress on the word "non-viscous" :-)

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Bicchuram Aveek ·2009-11-20 22:10:44

I don't know about my reasoning but the answer will be : no change in Rotational K.E .

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Subhomoy Bakshi ·2009-11-20 22:23:15

yeah as there is no external force there must be no change in k.e bt rotational k.e spcifically???????

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Subhomoy Bakshi ·2009-11-20 22:23:58

wats ur ans????????i min reason????????

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Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

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