Help with homework problem

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jackiemoon
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Hi,

Can anybody help with this question? I have attached a scan rather than type it all out. Any tips would be appreciated as I'm unsure how to start it.

Thanks
 
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  • Scanned textbook problem: a point mass m hangs from a rope passing through a hole in a horizontal frictionless plane, while a rope portion of length l whirls around it with angular velocity ω; the figure shows the plane, dashed circular path, hanging segment of length L minus l, and the mass m.
    scan.jpg
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HINT: What must be the tension in the rope to keep the mass m stationary.