A motor cyclist going round on unbanked circular race course has to lean inwards, making an angle
Channel: Doubtnut
Date: 2020-06-07

A motor cyclist going round on unbanked circular race course has to lean inwards, making an angle `21^(@) 49 `' with the vertical , in order to keep his balance. If the curve is 1 km long , then the speed of the cyclist will be,    `( tan 21^(@) 49  =0.4003' g=9.8 m//s ^(2) )`