Calculate Rotation Period for Amusement Park Ride

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To calculate the longest rotation period for the amusement park ride, the key is determining the conditions under which riders will not fall off at the top of the rotating ring. The formula V_c = (r*g)^(0.5) is used to find the critical velocity needed to maintain this condition. The diameter of the ring is 14.0 m, which gives a radius of 7.0 m. After finding the velocity, the relationship v = 2*pi*r/T can be applied to solve for the rotation period T. The discussion concludes with the user successfully solving the problem.
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Hi i am studying for a test and found this problem that i have no clue how to do.. I was hoping for some help with it like equation to start.
thanks

Homework Statement



In an amusement park ride called The Roundup, passengers stand inside a 14.0 m-diameter rotating ring. After the ring has acquired sufficient speed, it tilts into a vertical plane.
What is the longest rotation period of the ring such that the riders will not fall off at the top?

All i know is that the weight force much be less than normal force right? and do I use v=2*pi*r/T
I don't know where to start thanks
 
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Never mind I figured it out used V_c=(r*g)^(.5) to find v then just plug and chug
 
ok great then :)
 

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