Posted by **Rod** on Saturday, November 8, 2008 at 7:27pm.

A soild wheel initially rotating at 50.0 rad/s comes to a uniform stop after 8.00 rotations.

Calculate the tangential accleration at the rim. Given that the angular acceleration is -24.9 rad/s^2.

I know its aT = r alpha but how do I get the radius?

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