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diameter of the disk (d) = 6 m length of the chains (L) = 6 m time (t) = 10 s angler formed (θ) = 25 degrees total radius = (6/2) + ( 6 × sin 25 ) centripetal force (F) = mv^2/r m x g x tan 25 = mv^2/r g x tan25 = v^2/r 9.8 x tan 25 = v^2/5.5 v^{2} = 5.5