If a the equator would weigh -3-5-th of his weight- the angular speed of the earth is-sqrt-dfrac-2-5-dfrac-g-R-sqrt-dfrac-g-R-sqrt-dfrac-R-g-sqrt-dfrac-2-5-dfrac-R-g-

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Toppr Admin · Accepted Answer

If a man at the equator would weigh (3/5)th of his weight, the angular speed of the earth is?√25gR√gR√Rg√25Rg

If a man at the equator would weigh $(3 / 5)$ th of his weight, the angular speed of the earth is?
$\sqrt{\frac{2}{5} \frac{g}{R}}$
$\sqrt{\frac{g}{R}}$
$\sqrt{\frac{R}{g}}$
$\sqrt{\frac{2}{5} \frac{R}{g}}$