In an old-fashioned amusement park ride, passengers stand inside a 5.0-m-diameter hollow steel cylinder with their...

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Physics

In an old-fashioned amusement park ride, passengers stand insidea 5.0-m-diameter hollow steel cylinder with their backs against thewall. The cylinder begins to rotate about a vertical axis. Then thefloor on which the passengers are standing suddenly drops away! Ifall goes well, the passengers will \"stick\" to the wall and notslide. Clothing has a static coefficient of friction against steelin the range 0.62 to 1.0 and a kinetic coefficient in the range0.40 to 0.70. A sign next to the entrance says \"No children under30 kg allowed.\"

Q: What is the minimum angular speed, in rpm, for which the rideis safe?

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3.7 Ratings (642 Votes)
As the cylinder begins to rotate about a vertical axis the people feel the cylinders vertical interior wall pushing on their back This force is the centripetal force The    See Answer
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