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

A cyclist is moving in a circular track of radius 80 m, with a velocit

1.	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
A.	tan-1 (2)
B.	tan-1 (4)
C.	tan-1 (1/4)
D.	tan-1 (1/8)
Answer» E.