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**1. A Ball is in a frictionles tube that is rotating with a constant angular velocity [itex]\omega[/itex]. The ball is initially held in place a distance r**

_{0}from the pivot by a string which breaks at t=0. If the radial coordinate of the ball from the origin is r(t), find r(t).I am having a very hard to picturing this, and what the system is actually doing. I know I have to deal with polar coordinates.

jI don't really have an attempt at this solution because I do not know where to start really, I cant picture the diagram in my head. I know this isnt much to help me on, but any push in the right direction would be much much appreciated.

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