Calculate angular velocity of earth so that acceleration due to gravity at 
latitude becomes zero. (Radius of earth 
, gravitational acceleration at poles 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Acceleration due to gravity at latitude 
is 
where 
is the radius and 
is the angular velocity of earth.
At poles, 
At latitude 
(Using (i))
As per question, 
zero
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