Angular Accelaration = Angular Velocity^2 ??? 1. The problem statement, all variables and given/known data Can we always says angular accelaration is equal to angular velocity^2? My friend said that i was wrong when think like that to solve question? 2. Relevant equations Accelaration = -(angular velocity)^2 X Radius Acceleration = Radius X Angular Accelaration 3. The attempt at a solution When i solve those two equations together i get what i hougt. Is there any problem with that? If any please let me know where? Thanks.