If the radius of the earth is reduced to half of its value what will be it's effect on duration of day
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According to LCM
Iw=constnt
Mr^2w=constant
R^2w=constant
R^2 2¢f=constant. [¢refers to pie
R^2/T=constant. F is frequency and t is time period
Here radius os earth reduced to half so R^2/24=R^2/4T
T=24/4
=6 hours
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