The acceleration due to gravity at the poles is 10ms^(-2)and equitorial radius is 6400km for the earth. Then the angular velocity of rotation of the earth about its axis so that the weight of a body at the equator reduces to 75% is

The acceleration due to gravity at the poles is 10ms^(-2)and equitoria

1.	The acceleration due to gravity at the poles is 10ms^(-2)and equitorial radius is 6400km for the earth. Then the angular velocity of rotation of the earth about its axis so that the weight of a body at the equator reduces to 75% is
Answer» `1/(1600) "rads"^(-1)` `1/(800) "rads"^(-1)` `1/(400) "rads"^(-1)` `1/(200) "rads"^(-1)` ANSWER :A