A ball of mass m is sliding in a frictionless tube of total length 4L as shown below in the figure. The tube is rotating at a constant angular velocity, w. Initially, the ball is at rest relative to the tube at point A at r = Lêr. (a) Derive the velocity and acceleration of the ball. (b) What is the velocity vector when the ball exits the tube? e. W r n ոլ m₂ m eo er

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