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October 23, 2014

Homework Help: Physics

Posted by Jacqui on Monday, October 12, 2009 at 2:27am.

In an old fashioned amusement park ride, passengers stand inside a 5.0-m diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about the vertical axis. Then, the floor that the passengers are standing on 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 that ranges from 0.60 to 1.0 and a kinetic coefficient in the range of 0.4 to 0.7. A sign next to the ride says “No children under 30-kg allowed!” What is the minimum angular speed, in rpm, for which the ride is safe?

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