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How many times faster than its present s...

How many times faster than its present speed the earth should rotate so that the apparent weight of an object at equator becomes zero ? Given radius of the earth = `6.37 xx 10^(6)` m . What would be the duration of the day in that case ?

A

5 times

B

9 times

C

13 times

D

17 times

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Verified by Experts

The correct Answer is:
D
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