Assuming earth to be a sphere of radius \( R \), if \( g_{30^{\circ}} \) is value of acceleratio....

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Assuming earth to be a sphere of radius \( R \), if \( g_{30^{\circ}} \) is
\( \mathrm{P} \)
value of acceleration due to gravity at latitude of \( 30^{\circ} \) and \( g \) at the equator, the value of \( g-g_{30} \) is
(1) \( \frac{1}{4} \omega^{2} R \)
(2) \( \frac{3}{4} \omega^{2} R \)
(3) \( \omega^{2} R \)
(4) \( \frac{1}{2} \omega^{2} R \)


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