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1. ### How to find the final angular velocity

Great thanks, It was just me misunderstanding the question. Thanks for the help.
2. ### How to find the final angular velocity

Ic = 2*m*r^2 Ip = 4*m*r^2 Io =Ic+Ip = 6*m*r^2 L = ωo*Io = 6*m*r^2*ωo angular momentum L is conserved ω1 = L/Ip = 6*m*r^2*ωo/(2*m*r^2) = 3*ωo I think I misunderstood the question at the beginning and assumed that the carousel is massless, but if it has mass = 4m without the 4 people this...
3. ### How to find the final angular velocity

This is the problem, I don't understand if it has mass 4m without the 4 people on it or with people on it. Is it possible to solve this problem if the carousel is massless?
4. ### How to find the final angular velocity

Homework Statement 4 persons each with mass m stand out on the edge of the carousel that rotates with angular velocity W0. carousel has mass 4m, radius r and inertia I = 2mr^2. The 4 persons then go all the way to the center of the carousel. Show that the final angular velocity W1 = 3W0 See...