The tension in the cable attached to the chair, Mechanical Engineering

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A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 60.0°) Suppose the total mass of a chair and its occupant is 244 kg.

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(a) Determine the tension in the cable attached to the chair.
 
(b) Find the speed of the chair.

 


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