The coefficient of static friction between the person and the wall is 0.69 . The radius of the cylinder is 6.97 m.
The acceleration of gravity is 9.8 m/s2 .
An amusement park ride consists of a large
vertical cylinder that spins about its axis fast
enough that any person inside is held up
against the wall when the floor drops away.
What is the minimum angular velocity
ωmin needed to keep the person from slip-ping downward?
Answer in units of rad/s.