|
|
|
|
|
| Author |
Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 9 Jan 2008 16:14:29 IST
|
|
|
Considering earth as a solid sphere
Moment of Inertia of Earth is proportional to r^2
According to law of conservation of angular momentum:
Iw = I'w'
I/T = I'/T'
T'/T = I'/I
T'/T = (r'/r)^2 = 1/4
T' = T/4 = 24/4 = 6
Thus it would be a 6 hour day....
|
"If you win, you shall not have to explain and if you lose, you wont be there to explain"
~ Adolph Hitler |
this reply: 6 points
(with 0 
in 3 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
|
|
|
|
|
|
|
Moderation Team
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
