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In order to make the effective acceleration due to gravity equal to zero at the equator, the angular velocity of rotation of the earth about its axis should be (g = 10 ms-2 and radius of earth is 6400 kms)
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Correct option is B
Similar Questions
If R is the radius of earth, is its angular velocity and gp is the value of acceleration due to gravity at the poles, then effective value of acceleration due to gravity at the latitude will be equal to
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