Question :
A cyclist is moving in a circular track of radius 80 m, with a velocity of 36 km/hour. In order to keep his balance, he has to lean inwards from the vertical through an angle q. If g = 10 m/s2, then q is given by
1. tan-1 (2)
2. tan-1 (4)
3. tan-1 (1/4)
4. tan-1 (1/8)
Answer :
4 - tan-1 (1/8)
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