In a cylindrical well of death , a motor cyclist rides around the inner wall in horizontal circles.
Channel: Doubtnut
Date: 2020-06-07

In a cylindrical well of death , a motor cyclist rides around the inner wall in horizontal circles. If the diameter of well of death is 18 m , then the minimum speed of cyclist , so as to prevent him from sliding down will be  `(mu=0.8 and g=10 m//s^(2))`