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The numerical value of the angular veloc...

The numerical value of the angular velocity of rotation of the earth should be…….. Rad/s in order to make the effective acceleration due to gravity equal to zero.

A

Zero

B

`(1)/800"red sec"^(-1)`

C

`(1)/80"red sec"^(-1)`

D

`(1)/8"red sec"^(-1)`

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In order to make the effective acceleration due to gravity at the equator to zero, the numerical value of the angular velocity of rotation of the earth should be [Radius of the earth=6400 km, g=10m/s^(2) ]

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