In this scenario, you will play the role of a Traffic Accident Investigator. On this
particular day, you encounter an accident
where a driver in a truck entering an
intersection is hit from the side by car going
through the intersection. The driver in the
car claimed that the driver of the truck was
at fault, "I had the right of way, I was going
the speed limit and the truck pulled right
out in front of me!" The driver in the truck
claimed, "I would have made it safely,
except the car was going way over the
speed limit. I couldn't know the car was
going so fast, its the car's fault for
speeding."

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will “stick” to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm