Posted by **MaxX** on Tuesday, February 14, 2012 at 11:13pm.

A rock stuck in the tread of a 50.0 cm diameter bicycle wheel has a tangential speed of 3.5 0m/s . When the brakes are applied, the rock's tangential deceleration is 1.40 m/s^2 .

What is the magnitudes of the rock's angular acceleration at = 1.70 ?

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