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The figure shows a photo of a swing ride at an amusement park.


The figure shows a photo of a swing ride at an amusement park. The structure consists of a horizontal, rotating, circular platform of diameter D from which seats of mass m are suspended at the end of massless chains of length d. When the system rotates at constant speed, the chains swing outward and make an angle with the vertical. Consider such a ride with the following parameters: D = 9.00 m, d = 2.50 m, m = 9.4 kg, and θ = 27.09. 

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Stuart Gregory Photographer's Choice/Getty Images 


(a) What is the speed of each seat? m/s 

(b) Draw a diagram of forces acting on a 40.0-kg child riding in a seat. Choose File no file selected 

 (c) Find the tension in the chain.

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