The radius of the earth is 6400 km and \[g=10m/{{\sec }^{2}}\]. In ord – McqOptions

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1.	The radius of the earth is 6400 km and \[g=10m/{{\sec }^{2}}\]. In order that a body of 5 kg weighs zero at the equator, the angular speed of the earth is [MP PMT 1985]
A.	1/80 radian/sec
B.	1/400 radian/sec
C.	1/800 radian/sec
D.	1/1600 radian/sec
Answer» D. 1/1600 radian/sec

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