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What should be the angular speed of eart...

What should be the angular speed of earth in radian/second so that a body of 5 kg weights zero at the equator? [Take g = `10 m//s^2` and radius of earth = 6400 km]

A

1/1600

B

1/800

C

1/400

D

29221

Text Solution

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The correct Answer is:
B
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