A motor cyclist moving with a velocity o...

A motor cyclist moving with a velocity of 72 km/hour on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 meters . The acceleration due to gravity is `10m//sec^(2)`. In order to avoid skidding, he must not bend with respect to the vertical plane by an angle greater than

`theta=tan^(-1)6`

`theta=tan^(-1)2`

`theta=tan^(-1)25.92`

`theta=tan(-1)4`

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