Answer to Question #74927 in Physics for bhargav

Question #74927

In an amusement park ride called "drop out", riders are spun in a horizontal circles of radius 7.5m, which pins their backs against an outer wall. When they are spinning quickly enough. The floor drops out, and they are suspended by friction. If the coefficient of static friction between the riders and the wall is as small as 0.28, how many revolutions per second must the ride achieve before the floor is allowed to drop out?

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