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The radius of the Earth is 6400 km and g = 10 ms-2 in order that a body of 5 kg weights zero at the equator, the angular speed of the Earth is ….. rad s-1

(a) \(\frac{1}{80}\)

(b) \(\frac{1}{400}\)

(c) \(\frac{1}{800}\)

(d) \(\frac{1}{600}\)

1 Answer

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Best answer

Correct answer is (c) \(\frac{1}{800}\) 

For condition of weightlessness at equator 

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