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Homework Statement
A carnival ride has a large horizontal steel disc of radius 5.0 m from which cars are suspended by
6.0 m long chains. The disc is rotated about its axis so that the cars swing out and revolve in a
circular path. At its operating speed, the angle of the chains to the vertical is 20 degrees. Find the speed of the cars.
Homework Equations
a=mv^2/r
v=2*pi*r/T
The Attempt at a Solution
Ive started by treating it as a horizontal situation, and found the horizontal radius which equals 6*sin(20) + 5=7.05m. And now I am clueless, where do i go on from here?
Thanks.