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**(1)**A "swing" ride at a carnival consists of chairs that are swung in a circle by 10.0 m cables attached to a vertical rotating pole at an angle of 60 degrees with respect to the pole. Suppose the total mass of a chair and its occupant is 200 kg. (a) Determine the tension in the cable attached to the chair. (b) Find the speed of the chair.

**(2)**At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.62 m/s, and an 88.9-kg person feels a 507-N force pressing against his back. What is the radius of a chamber?

**ƩF=ma**

a(centripetal)=v^2/r

a(centripetal)=v^2/r

**Can anybody help me with how to start negotiating this problem? I'm not sure how to begin. I was taught to draw free body diagrams first but that doesn't seem to get me anywhere.**