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The radius of the earth is 6400 km and g...

The radius of the earth is `6400 km` and `g=10m//sec^(2)`. In order that a body of `5 kg` weight zero at the equator, the angular speed of the earth is

A

1/80 radian / sec

B

1/400 radian / sec

C

1/800 radian / sec

D

1/1600 radian / sec

Text Solution

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The correct Answer is:
C
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ERRORLESS -GRAVITATION-Acceleration Due to Gravity
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  2. Force of gravity is least at

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