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The angular velocity of the earth with w...

The angular velocity of the earth with which it has to rotate so that the acceleration due to gravity on `60^@` latitude becomes zero is

A

`2.5xx10^(-3) rads^(-1)`

B

`1.5xx10^(-3) rad s^(-1)`

C

`4.5xx10^(-3) rad s^(-1)`

D

`0.5xx10^(-3) rad s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`g-Romega^(2)cos^(2)lambda=0`, given `lambda=60^(@)`, find `omega`
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