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25 Apr 2009 13:54:25 IST
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if earth suddenly shrinks by one third of its present radius, the acceleration due to gravity will b
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if earth suddenly shrinks by one third of its present radius, the acceleration due to gravity will be a)2g/3 b)3g/2 c)4g/9 d)9g/4


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Nibedita Mishra :-)'s Avatar

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25 Apr 2009 13:57:39 IST
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it's d) 9g/4
Killer Kiran's Avatar

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25 Apr 2009 13:58:16 IST
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ur question is incomplete i guess..
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25 Apr 2009 13:59:17 IST
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it's d)9g/4

Accdg to relation g=GM/R^2  , where R is radius of Earth

Nibedita Mishra :-)'s Avatar

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25 Apr 2009 13:59:53 IST
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i think it's complete ..if the mass of earth remains same then my answer is correct
Killer Kiran's Avatar

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25 Apr 2009 14:07:21 IST
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yup...i read it as...shrinks" to"..1/3 rd...
Nibedita Mishra :-)'s Avatar

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25 Apr 2009 14:10:30 IST
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if it becomes shrinks to 1/3 rd....then also the Qsn is correctand the answer will be ..9g
Killer Kiran's Avatar

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25 Apr 2009 14:11:11 IST
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heyyy chill....but 9g wasnt der in options na...
Nibedita Mishra :-)'s Avatar

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25 Apr 2009 14:17:58 IST
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9g is nt in the option bcoz the Qsn is nt tht
Nibedita Mishra :-)'s Avatar

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25 Apr 2009 14:18:30 IST
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finish it here...just chill
Ashutosh Sharma's Avatar

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25 Apr 2009 23:14:05 IST
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Shrinks means it should retain the mass...




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